5,169 Matching Annotations
  1. May 2018
    1. quasi-equilibrium

      A slow process that allows the system to be very close to equilibrium.

    2. soil volumetric water content

      This is the measure of mass of water per mass of dry soil. This is done by weighing the soil sample, drying it, then weighing the soil dry.

    3. ecosystem respiration [Reco],

      This is the sum of all the respiration that is occurring by the living organisms that inhabit the ecosystem.

    4. net ecosystem exchange (NEE)

      This is a measure of the quantity of carbon entering and leaving an ecosystem.

    5. subdominant

      A species that plays a significant role in a biotic community, however with much less importance than the dominant species.

    6. co-dominant

      Two or more species that are equally dominant in a biotic community.

    7. Bowen Ratio (β)

      Bowen Ratio is the mathematical method that is typically used to calculate heat loss or heat gained in a substance.

  2. Apr 2018
    1. human-disturbed landscapes

      Environments and ecosystems perturbed due to human interference.

    2. biological processing of C

      The biological system includes bacteria, fungi and invertebrates. Fungi colonizes the leaves once they fall in the stream and break down the carbon.

    3. soluble reactive phosphorus (SRP)

      SRP is a measure of the filterable portion of phosphate known as orthophosphate.

    4. dissolved inorganic nitrogen (DIN)

      Dissolved inorganic nitrogen is the combination of nitrogen forms nitrate, nitrite and ammonium. This is the most available form of nitrogen used by algae.

    5. deciduous forest streams

      These forests shed annually and litter the streams, giving them an organic carbon source.

    6. dissolved organic carbon (DOC)

      This is organic carbon that can be dissolved in water and run through a filter; it is smaller compared to particulate organic carbon.

    7. co-limitation

      Co-limitation is the limiting of growth caused by two factors, both must be present in a set ratio to have an effect.

      There is further visualization in figure 2, where the co-limitation of nitrogen and phosphorus are presented.

    8. terrestrially derived POC

      Terrestrially derived carbon is a source of carbon obtained from land materials such as twigs and leaves.

    9. particulate organic C (POC)

      Particulate organic carbon is a source of carbon for the ocean obtained from living organisms and detritus; it is larger compared to dissolved organic carbon.

    10. Algal production increases

      An increase in nutrients in nearby river has led to an increase in the levels of algae in these rivers, some of these which are toxic to people.

      Read more in nwi.com: http://www.nwitimes.com/business/toxic-algae-once-a-nuisance-now-a-severe-nationwide-threat/article_2b1decfa-43c9-5d80-bf64-173e51a95248.html

    11. inland waters

      These are permanent bodies of waters found interior to the coastal waters. These bodies include rivers, lakes and reservoirs.

    12. terrestrial organic C

      This is a carbon source found on land commonly in biotic organisms.

    13. sequestration

      Sequestration is the collection and storage of carbon dioxide.

      In this case, the carbon is being removed from the water and depletes the riverine food webs.

    1. autogenic

      Produced by the organism.

    2. confocal

      Technique that allows high-definition viewing of microscopic samples in 3D.

    3. ORFs

      Open Reading Frames (ORFs) are sequences of DNA that are not transcribed. They can be used to search for transcripts that code for specific proteins of interest.

    4. symbiont

      An organism that lives in close association with a "host" organism.

      The relationship may be positive for both the host and the symbiont (mutualistic), positive for the symbiont and neutral for the host (commensal), or positive for the symbiont and negative for the host (parasitic).

      Symbiosis: It's Complicated

    5. vesicles

      Membrane-bound "bubbles" that shuttle proteins to different locations in a cell.

    1. animal models

      Nonhuman animals are used to study, or model, diseases and understand the role of genes or proteins in processes, such as skin pigmentation. Thanks to shared ancestry, there are many similarities between human and nonhuman animals at the cellular and genetic levels. Thus, animals can be used to do experiments than can't be done in people.

    2. morphology

      Structure, shape, appearance (as opposed to function).

    3. keratinocytes

      Cells in the basal layer of the epidermis that form a barrier against environmental damage.

    4. Australo-Melanesians

      Indigenous populations found in Malaysia, Philippines, Indonesia, and Australia.

    5. melanocyte

      A cell that produces melanin.

    6. pyrimidine metabolism

      The building or breaking down of pyrimidines in cells—pyrimidines include the DNA/RNA bases uracil, thymine, and cytosine.

    7. mouse phenotype database

      A database of results from published studies related to mouse phenotypes.

    8. pleiotropic

      When one gene (or variant of a gene) has multiple effects on seemingly unrelated traits.

    9. consensus SOX2 motif

      A consensus motif is a pattern of the most frequent nucleotides that are bound by a particular protein, in this case SOX2.

    10. pH

      A numeric scale that specifies the acidity (low pH) or basicity (high pH) of a solution (or in this case, cell). The number is based on the molar concentration of hydrogen ions in the sample.

      The pH of cells affects the activity of many enzymes and other proteins.

    11. chloride transporter protein

      A protein that spans the cell membrane, allowing chloride ions (and sometimes other ions) to enter or exit the cell under specific conditions.

    12. selective sweep

      Loss of variation in the DNA near a mutation that has increased in the population due to positive selection.

    13. Kruskal-Wallis Rank Sum (KWRS) Test

      The KWRS test is a statistical test used to determine whether samples have the same distribution, and unlike the MWW test it can be used on more than two samples. If samples do not have the same distribution, that means something is significantly different between them.

    14. tightly linked

      When genetic variants are referred to as "tightly linked," it means that they are close together and usually inherited together.

    15. follicle maintenance

      An ovarian follicle is a group of cells inside of the ovary that releases an egg cell during ovulation. These follicles must be maintained for a female mammal to retain fertility.

    16. E3 ubiquitin ligases

      An E3 ubiquitin ligase assists in transferring a ubiquitin onto a protein substrate. Ubiquitin is a protein that occurs ubiquitously in mammalian tissues, and is a regulatory molecule that can affect proteins in many ways, including marking them for destruction, causing them to move to a different part of the cell, or altering their ability to interact with other proteins.

    17. transmembrane domains

      Parts of a protein that span the cell membrane.

    18. pseudogene

      A pseudogene is a stretch of DNA that looks similar to a gene, but has lost some or all of its function.

    19. homozygotes

      An individual with two identical alleles for a given locus.

    20. Bonferroni adjusted

      Bonferroni correction (or adjustment) compensates for the increased likelihood of rejecting the null hypothesis incorrectly due to testing multiple hypotheses (testing multiple hypotheses increases the chance that a rare event occurs).

      This correction is performed by dividing the significance level desired (generally 0.05) by the number of hypotheses to be tested (for example, if testing two hypotheses), and testing each individual hypothesis against this new number (for example, 0.05/2 = 0.025).

    21. primary human melanocytes

      Primary refers to cells (in this case, human melanocytes) that have been taken from a tissue (human skin) and are growing in a dish without further alterations.

    22. iHS

      Integrated haplotype score: A statistical test to measure how far from the SNP of interest haplotype homozygosity extends on the ancestral compared to the derived allele. Haplotype homozygosity measures the likelihood of selecting two identical haplotypes at random from a population.

      If a SNP is under selection, it will often occur with longer haplotype homozygosity than expected (on either the ancestral or derived allele), and extreme iHS values will result.

    23. synonymous variant

      A synonymous variant is a change in the DNA that does not lead to a change in the amino acid sequence of the protein encoded by the gene.

      This can happen because each amino acid is encoded by a stretch of three nucleotides in the DNA, called a codon, and there are multiple codons for the same amino acid.

    24. vitiligo

      A skin condition characterized by patches of skin losing pigment and appearing white.

    25. time to most recent common ancestor (TMRCA)

      The most recent common ancestor (MRCA) of a group of organisms is the most recent individual (in this case, a hominid) from which all the organisms in the group are directly descended.

      The MRCA of a population is hard or even impossible to determine for a large population, but the time when this individual lived (the time to most recent common ancestor, TMRCA) can be estimated based on mathematical modeling and knowledge of the genetic variation in the population.

    26. non-synonymous mutation

      A nonsynonymous mutation is a change in the DNA sequence that leads to a different amino acid being used in the encoded protein.

    27. lentivirally

      A lentivirus is a type of virus that is often used in research to deliver DNA into cells because it is efficient at doing so across many types of cells. In this case, lentivirus delivered DNA that encodes shRNAs.

    28. derived rs56203814 and rs10424065 (T) alleles

      A derived allele is an allele that is different from that carried by the common ancestor of the populations being examined.

    29. transmembrane solute transporters

      Proteins in the cell membrane that facilitate the movement of small molecules or ions across the cell membrane.

    30. Mann-Whitney-Wilcoxon (MWW) test

      The MWW test is a statistical test used to determine whether a value selected from one sample at random will be equally likely to be greater than or less than a value selected at random from another sample.

      In this case, the test is used to check for allelic imbalance. In heterozygotes, the level of expression of each allele may not be equal; if one is expressed more than the other, this is called allelic imbalance. In homozygotes, expression from the two alleles is more even because they are the same variant.

    31. allelic imbalance

      A difference in expression between the two alleles at a particular locus.

      For most genes, expression is usually equal from each of the two alleles a person has. If there is allelic imbalance, one allele will be expressed more than the other.

    32. H3K27ac

      H3K27ac refers to a specific alteration to a DNA packaging protein that is associated with transcriptional activity, and often occurs on enhancer regions which are considered active when this mark is present.

      H3 stands for Histone H3, a protein that DNA is wrapped around in chromatin. K27 refers to the 27th amino acid Lysine in the Histone H3 protein. ac stands for acetylation, a modification in which an acetyl group is added to a protein.

    33. folate degradation

      Folate is a B vitamin, and is important for many aspects of health including the prevention of anemia and certain birth defects.

      Folate can be broken down by UV radiation (sun exposure), leading to lower levels in people with high UV exposure.

    34. melanogenesis

      The production of a pigment called melanin. Melanin gives skin and hair its color.

    35. genetic basis

      Many factors can contribute to differences between individuals of the same species. Some differences are due to differences in DNA; these are referred to as the "genetic basis" for variation.

    36. convergent evolution

      A process by which organisms that are not closely related evolve similar traits independently.

    37. graminoid

      A plant with a grass-like physical structure and long blade-like leaves.

    38. zooplankton

      Small, sometimes microscopic, animal-like organisms that exist in bodies of water. Can sometimes be made up of the larvae or immature forms of larger animals.

    39. arachnid

      An invertebrate animal in the class Arachnida that includes spiders and scorpions, in this experiment the species observed was Cybaeus reticulates.

    40. alternative splicing

      A process by which a single gene can encode multiple proteins.

      RNA splicing is the removal of introns from the transcript made from a gene, leaving only the exons to be expressed. In alternative splicing, exons are excluded, introns are included, or different junctions are used between the introns and exons, leading to proteins with a different amino acid sequence.

    41. minor allele frequencies

      The frequency of the second most common allele in a population for a given locus.

    42. insertion/deletion polymorphism

      Addition or subtraction of one or more nucleotides in a DNA sequence.

    43. trophic cascades

      An ecological effect caused by the addition or removal of predators with changes to both the populations of predators and prey. The trophic cascade effect can either be top-down (predator to prey) or down-up (prey to predator). In a simplified food chain, if there is an increase (or decrease) in top predators then there would be a decrease (or increase) in herbivore prey and an increase (or decrease) in plant prey communities.

    44. compound heterozygotes

      Compound heterozygotes have two different mutated alleles at the same genetic locus.

    45. Pearson Correlation Coefficient (PCC)

      A measure of the correlation of two continuous variables.

    46. DNase I hypersensitive sites

      Regions of chromatin that are highly sensitive to cutting by DNase I, an enzyme that cleaves DNA at many locations in the genome.

      Genomic regions are more sensitive to DNase I cleavage if their chromatin has lost its condensed structure, indicating that these regions would also be available for binding by transcription factors and subsequent transcription. Therefore, DNase I hypersensitive sites are associated with regions of the genome that control transcription.

    47. ancestral (G) and (T) alleles

      The ancestral allele is the allele that was carried by the common ancestor of the populations.

    48. mRNA

      mRNA stands for messenger ribonucleic acid. mRNA is made based on the sequence of DNA that encodes it, and specifies the amino acid sequence that will be used by the ribosome to make a protein product.

    1. quadratic entropy

      Diversity measure of classified data.

    2. relative abundances

      Percent composition of a species compared to the total number of species in the same area.

    3. phylogenetic signal

      Measure of the statistical dependence among species' trait values due to their ancestral genetic relationship.

    4. herbarium voucher

      Pressed plant specimen deposited for reference.

    5. topographic features

      Relating to the arrangement of the physical features of an area.

    6. heterogeneous

      Different in kind.

    7. ha

      Abbreviation for hectare which is a unit of area.

    8. Inter-Tropical Convergence Zone

      A region near the Earth's equator where trade winds of the Southern and Northern hemispheres join to make hot air rise and falls as thunderstorms.

    9. evenness

      Refers to the relative abundance of species in a community.

    10. selective logging

      Removal of trees in a specific site or area.

    11. forest degradation

      Changes in a forest that negatively affect the structure and function of a particular site leading to a diminished capacity to provide services.

    12. deforestation

      The process of removing, and destroying forests, to be replaced by something else.

    13. reservoir of global biodiversity

      Also called biodiversity hotpot; a biogeographic area with high levels of organismal and community diversity likely under threat.

    14. functional composition

      The mathematical space within an ecological unit.

    15. functional diversity

      A component of biodiversity concerning range in communities and ecosystems performed by organisms (the impact).

    16. biodiversity

      All the populations, species, and communities in a defined area.

    17. species richness

      Refers to the number of species.

    1. unimodal distribution

      Unimodal distribution is a statistical distribution with one clear peak.

    2. phenology

      Phenology is the study of periodic plant and animal life cycle events and the how the processes are influenced by seasonal and interannual differences in climate and habitat factors.

    3. diapausing

      When an insect of animal undergoes a period of suspended development.

    4. 1 standard error

      +/- 5% of actual value.

    5. Bonferroni tests

      A test which is used in statistical analysis in which there are many comparison test being practiced. Even if the statistical data has no significance, the Bonferroni tests will allow significance to emerge in the data due to multiple testing.

    6. Bonferroni correction

      Bonferroni correction is an adjustment made to P values when several dependent or independent statistical tests are being performed at the same time on a single data set. A Bonferroni correction is performed by dividing the critical P value (α) by the number of comparisons being made.

    7. Post hoc tests

      Post hoc tests are run to confirm where differences in means are when using multiple groups. They are only run after an ANOVA test confirms that there are statistically significant differences between the groups.

    8. ANOVA

      ANOVA is a collection of statistical models used to analyze the differences between group means.

    9. haplotype

      Group of genes in the organism that was inherited from a single parent.

    10. Monte Carlo Markov Chain

      The Monte Carlo method is a tool used in statistics which can be applied to scientific research in which a distribution of the possible outcomes in a data set can be produced.

      Since the same experiment can be repeated many times we must have outcomes that show the probabilities of different outcome happening.

    11. STRUCTURE, version 2.3

      A program developed by the Pritchord lab at Stanford uses genotype data to investigate population structure. Its uses include discovering distinct populations, assigning individuals to populations, studying hybrid zones, identifying migrants and mixed individuals, and estimating population allele frequencies.

    12. biomass

      Biomass: Total mass of an organism or the mass of the organism in a a specific area.

      The weight was taken when the plant was dry for the simple reason that different species can hold different amounts of water. In order to obtain a precise measurement and compare the different species, the plant had to be dried.

    13. macerated

      To soften or the use of liquids to soften.

    14. USDA-ARS Invasive Plant Research Laboratory in Davie

      The field laboratory is a branch of the University of Florida's Everglade Experiment Station. The objective of which is to conduct research on vegetables and forage crops on the sandy soils of lower east Florida.

      Read more about the laboratory at https://www.ars.usda.gov/southeast-area/fort-lauderdale-fl/iprl/docs/history-of-the-iprl/

    15. exocarps

      Exocarp: The thin outer layer that covers the fruit.

      An example of an exocarp would be the thin layer located on the outside of a grape or apple.

    16. Mettler balance

      Mettler balance is a laboratory balance used to measure small masses to the sub milligram range. It can measure from .1 mg to .0001 mg depending on the model.

    17. mesocarp

      Fleshy middle layer of the fruit.

    18. exocarp

      The outer layer of the pericarp of the fruit. The skin of the fruit.

    19. phenolic

      Phenolic compounds are a class of plant secondary metabolites. These include a range of compounds such as phenolic acids, flavonoids, and other substances. They are responsible for fruit color.

    20. perennial

      A perennial is a plant that lives for two or more years. Most perennials flower multiple times during their life cycle.

    21. dioecious

      Dioecious refers to a plant or animal that has male and female reproductive organs in separate individuals.

    22. intraspecific hybridization

      Intraspecific hybridization occurs when the hybrid is born from parents of the same species that belong to different populations or breeds.

    23. genetic variation

      Genetic variation is variation in the alleles of genes both within and among populations.

      This variation is brought about through mutations.

    24. low-density

      Founding populations of invasive species are often small, so they experience the founders effect. The founders effect is a loss of a genetic variation due to a smaller population size.

    25. progenitors

      An ancestor or parent.

    1. high-powered

      A study is referred to as high-powered, if the size of the sample from which data is collected is large enough that it becomes highly probable (at least 80% probability) that an effect of interest that exists in the population would actually be found in this data.

      For example, let’s say we were interested in finding out whether cupcake consumption increases well-being. Because we cannot ask every person on the planet to please report their well-being, eat a cupcake, and then report their well-being again, we have to restrict our investigation to a certain sample of people.

    1. Earth's heat balance

      To be in balance, the solar heat reaching the Earth must be balanced by the amount of heat the Earth emits into space; what comes in is balanced by what goes out.

      For more information, check out this NASA video: https://www.youtube.com/watch?v=DOAqECd70Ww&t=22s

    2. meter layers of each ocean

      Scientists measure distances in meters and not miles, where 1 meter is roughly 3 feet and 1000 meters is about 0.6 miles.

      The average depth of the ocean is about 3,688 meters (12,100 ft), and reaches the deepest depth of 10,994 meters (6.831 mi) in the Mariana Trench in the West Pacific Ocean.

      Check out this Tech Insider video about how deep the ocean really is: https://www.youtube.com/watch?v=UwVNkfCov1k

    3. joules

      A joule is a derived unit of energy that is equal to the energy transferred to (or work done on) an object. One joule can be thought of as the work required to produce one watt of power for one second.

    4. world ocean

      There are 5 ocean basins: the Atlantic Ocean, Arctic Ocean, Indian Ocean, Pacific Ocean, and Southern Ocean. These oceans are all connected and can be defined as a global or world ocean.

    5. mean anomaly value

      The average deviation from an expected value.

    6. density

      Density measures the degree of compactness of a substance. The density of seawater depends on the dissolved salt content as well as the temperature. A high salt content and cold temperatures make seawater more dense.

    7. interannual

      Measured or evaluated on a yearly basis or from one year to the next.

    1. Endosomal trafficking and protein turnover

      To function properly, cells are constantly creating, recycling, and transporting proteins. Interruptions in this process can be a cause of disease.

    2. neuronal cell adhesion

      Neurons express special proteins that allow them to adhere to each other and to other cell types. The ability to bind to each other is important for neurons' ability to communicate properly.

    3. glutamatergic transmission

      The release of glutamate, a common neurotransmitter.

    4. nonsense

      A mutation that changes a codon that would normally correspond to an amino acid to a stop codon.

    5. gene dosage-dependent

      "Gene dosage" refers to the number of copies of a gene in a particular genotype. A gene is dosage-dependent if a certain number of copies is necessary for proper function.

      Although there are many factors that influence gene expression, in general more copies of a gene will result in more protein product (either directly from the gene or as a result of regulatory mechanisms).

    6. stop codon

      A stop codon (or termination codon) is a series of three nucleotides that stops the translation process.

      It works by binding special proteins called "release factors." When these release factors reach the ribosome (the site of protein translation), they cause the new amino acid chain to separate from the ribosome, stopping translation.

    7. pro-band

      The term "pro-band" is used to refer to the patient being studied in biomedical research, especially research on genetics.

    8. PCDH10

      PCDH10 is a potential tumor suppressor protein. Abnormalities in PCDH10 have been found in many human tumor cells.

    9. forward screen

      A "forward" screen is used to identify the mutation(s) that leads to a given phenotype.

      A "reverse" screen is used to identify the resulting phenotype from a given mutation.

    10. We propose renaming this gene DIA1 (deleted in autism-1)

      The authors propose renaming c3orf58 to deleted in autism-1 (DIA1) because they found evidence that it was causative of autism in patient AU-3101.

      Genes are commonly renamed from "generic" names such as c3orf58 to more specific names that provide information about their function. Because there is no formal regulation of gene names, many genes have misleading names or multiple names.

    11. MEF2 transcription factor

      The myocyte enhancer factor 2 (MEF2) transcription factor is important to cell differentiation and embryonic development.

    12. RNA interference (RNAi) knock-down

      A biological pathway, found in many eukaryotes, in which RNA molecules inhibit gene expression. This is usually caused by the destruction of certain mRNA molecules.

      This pathway is used by researchers to increase or decrease the activity of genes of interest.

    13. “neural activity–regulated” genes

      Genes that are "activated" by neural activity will typically be transcribed more following a depolarization event (i.e., an action potential).

    14. transcriptome

      The portion of a cell's DNA that is transcribed. The transcriptome can be identified by looking at all of the mRNA in a cell.

    15. blind to the genetic study

      To increase the reliability of the results, the researchers may have removed information identifying samples as "experimental" or "control." This can decrease bias in the analysis of results.

    16. transcription

      The process of "reading" DNA to create mRNA, which then exits the cell nucleus to eventually be translated into a protein. This is the first step in protein synthesis.

    17. hemizygous

      The deletion is homozygous (present on both chromosomes) in the boy, but present on only one chromosome from each parent.

      Thus, the boy inherited the deletion from both parents.

    18. single-nucleotide polymorphism (SNP)

      A variation of a single nucleotide in a DNA sequence. When less than 1% of a population carries the nucleotide at this position, this variation is classified as a SNP. Some SNPs are associated with certain diseases.

    19. Marriage between first cousins increases the prevalence of neurological birth defects by about 100%

      Because first cousins share a larger portion of their genome than two unrelated individuals, there is a higher chance that a child will inherit disease-causing mutations.

    20. segregation analyses

      A technique used to determine how a trait is inherited, and if it is inherited in a standard (Mendelian) way.

    21. autosomal

      Refers to the autosomes, or the 22 numbered chromosomes (which do not include the sex chromosomes).

    22. pedigrees

      Refers to both the family tree and the ancestry of the subjects. In biology, pedigrees are represented with a standard set of symbols, such as those below:

    23. syndromic autism

      Here, "syndromic" means common varieties of autism.

    24. copy number variants

      Phenomenon in which sections of the genome are repeated, deleted, or inverted. It has been shown that CNVs at specific locations increase the risk to develop autism.

    25. de novo mutation

      A mutation is de novo when it appears for the first time in an individual, rather than being inherited.

      It is usually the result of a mutation in the germ line (the cells that produce sperm and eggs) of one of the parents, or a mutation that arises in the fertilized egg itself.

      It is also known as a new mutation.

    26. neuropsychiatric

      A mental health disorder that is caused by the nervous system.

    27. heterogeneous disorders

      Disorders like autism that can result from many different genetic anomalies.

      Autism is difficult to characterize not only because there are many different genetic causes, but also because autism sometimes results when several otherwise benign mutations come together in the genome of an individual.

    28. homozygosity mapping

      A method for mapping genes involved in rare, recessive disorders. It is used in inbred populations (populations where many individuals are related to each other). Because these populations are very highly related, individuals will share large areas of their chromosomes in areas surrounding target genes.

    29. level of expression changes in response to neuronal activity

      Synapses (the electric signals that transfer information in the nervous system) regulate the expression of some genes.

      Among the genes regulated by neuronal activity are those that are involved in learning.

    30. mapped several loci

      Locus (pl. Loci.) : The locus of a gene is its physical location on a specific chromosome.

      "Mapping" a locus means finding out where it is physically located on a chromosome.

      Example: location of the genes BRCA 1 and BRCA 2:

      Example: location of the genes *BRCA *1 and *BRCA *2

    31. autism-spectrum disorders

      Autism-spectrum disorders (ASD), sometimes referred to collectively as "autism," are a family of developmental disorders that have different symptoms and intensities.

    1. Mann–Whitney test (post hoc)

      Non-parametric (not assuming a normal distribution) statistical test that is used to compare two sample means that come from the same population, and used to test whether two sample means are equal or not. The authors conducted the Mann-Whitney test post hoc (after the Kruskal-Wallis test) in order to compare the groups (to investigate which groups significantly differ) but with corrections to control for inflation of type I error (false positive – determining differences in the dataset when there actually is none).

    2. non-asclepiad

      A plant that is not formally a part of the family Asclepiadaceae.

    3. diversity and abundance

      Diversity describes the number of species, while abundance describes how many individuals of each species.

    4. tubular flowers

      A type of flower that has a long, thin, tube-like structure. The tube-like structure is formed by the pedals and often separate the mouth into a flared shape.

    1. spatiotemporal

      Data or information that is specific to both a time and location. In this case, the "spacio-" aspect is the set of 0.5° x 0.5° grid points across the Mediterranean land mass. The "-temporal" aspect is the specific time period examined— either in the past or future.

    1. phylogeny

      Evolutionary history that traces the relationship between organisms.

    2. allelopathy

      A mechanism plants use to ensure their survival.

      The plant produces one or more biochemicals that affect neighboring competitors in their growth and/or reproduction.

    3. abiotic environment

      Non-living physical and chemical components that affect living organisms and the surrounding ecosystem.

    1. cultivars

      a plant variety that has been produced in cultivation by selective breeding

    2. drip irrigated

      a type of micro-irrigation that has the potential to save water and nutrients by allowing water to drip slowly to the roots of plants, either from above the soil surface or buried below the surface

    3. photoperiods

      the period of time each day during which an organism receives illumination; day length.

    4. transmittanc

      the ratio of the light energy falling on a body to that transmitted through it.

    5. chlorophyl

      a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring

    6. Dendranthema·grandiflorum

      Dendranthema·grandiflorum is a perennial species from the Asteraceae family. Can grow up to 30-90 centimeters high and wide

    Tags

    Annotators

    1. solar gravitational field

      The region of space around the sun that is attractive to other massive bodies (i.e., the planets).

  3. Mar 2018
    1. prognoses

      Predictions.

      Here, prognoses is used to mean predictions of how a particular species will respond to a change in the climate of the area where it lives.

    2. novel agricultural landscapes

      Here, novel refers to an ecosystem that is humanmade and doesn't occur naturally.

    3. Pearson correlation coefficient (r) = 0.59

      A measurement of the strength of a linear correlation (relationship) between two variables.

      A coefficient value close to +1 indicates a strong positive linear correlation: When one variable increases, the other also increases. A value of 0 indicates no linear correlation.

    4. temperature-limited

      The balance of some ecosystems may be upset by changes in temperature.

      Extreme temperatures may limit survival of some species, such as plants which cannot tolerate freezing temperatures or animals which experience heat stress at high temperatures.

      Changes in the timing of seasonal temperature may affect life cycles; for example, early springlike temperatures can change the timing of reproduction or migration.

    5. ecosystems

      A complex, interacting community of living organisms (plants, animals, microorganisms) and nonliving matter and energy.

      Ecosystems can be very different in complexity and size. Some are small, like a decaying log or a home aquarium. Examples of large ecosystems are deserts, lakes, and rainforests.

    6. Marion Island

      One of the Prince Edward Islands in the southwestern Indian Ocean, between Africa and Antarctica.

    7. latitude

      A measure of how far north or south a point on Earth is, recorded in degrees. The latitude of the Equator is 0°.

      Compared to lower latitudes, higher latitudes are farther from the Equator and tend to experience lower average temperatures and more seasonal climate variability.

    1. hastula

      The junction between the leaf and the stem blade.

    2. taxon

      Unit of biological classifications of an organism. This can be a group of rank such as, species, family or class.

    3. herbarium specimens

      A collection of preserved plant specimen used for specific scientific study.

    4. homoplasy

      A characteristic that is shared within species but not present within their ancestors.

    5. anthropogenic

      The influence of humans in the modification of nature.

    6. habitat fragmentation

      The division of large habitats into smaller patches, resulting in discontinuities within the organisms preferred habitat.

      This phenomena results in the degradation of an ecosystem.

    7. hermaphroditic flowers

      A flower that contains sex organs of both the male and female. These organs are known as the carpellate (produces ovules) for females and staminate (produces pollen) for males.

    8. fructifications

      In angiosperms (flower-producing plant), when a plant bares fruit.

    9. inflorescences

      In a flowering plant, it is a cluster of flowers either on a main branch or system of branches.

    10. ethnobotanical

      The study of how humans within a cultures use plants as folk remedy.

    11. translocate

      To move from one place to another.

    12. genetic bottlenecks

      An event/events that limit genetic variation in a population and result in populations that can lead to genetic drift.

    13. Hardy–Weinberg Equilibrium

      A model used to measure whether a population has reached equilibrium, meaning it stopped evolving.

    1. species chemical dendrogram

      An informal phylogenetic tree that represents clusters of species with similar characteristics.

    2. induction

      Secondary compounds that are only present after a stimulus occurs.

      For instance, one stimulus could be leaf damage caused by herbivory.

    3. gas chromatography mass spectroscopy (GC-MS)

      Gas Chromatography: Used to separate and analyze compounds that do not decompose. Measures the content of multiple components in a sample.

      Mass Spectroscopy: Measures the characteristics of individual molecules. This is done by converting the molecules into ions so they can be manipulated by magnetic and electrical fields.

      GC-MS is a machine that does both.

    4. community assembly

      The factors that dictate the presence and amount of a species within a community.

    5. sympatric

      Species or populations that reside in the same geographic area.

    6. ecologically divergent

      Differences with species resulting from reproductive barriers.

    7. “species-limiting similarity”

      The most amount two species can share their living environments and still coexist.

    8. trophic level

      Level in the food chain an organism belongs to in an ecosystem. For instance, plants that are primary producers belong to the first trophic level.

    9. congeneric taxa

      Of related nature or origin. Of the same genus.

    10. communities

      A collection of plants or organisms in a specific geographical area that exist at a specific time.

    11. secondary chemical composition

      Compounds that play a role in a plant's ecological interaction with its environment.

      For example, secondary compounds may function in protection against herbivores and/or pollinator attractants