hese metricsquantify the degree to which interactions among specialised speciesare subsets of interactions of the more generalist species in the net-works
This explanation helped me understand the purpose of the different metrics
11 Matching Annotations
- Jan 2026
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moodle-courses2527.wolfware.ncsu.edu moodle-courses2527.wolfware.ncsu.edu
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We applied circular statistics to detect seasonal trends and comparedthe temporal abundance of blooming plants and floral visitors amongsuccessional stages across plots
What exactly is meant by circular statistics? Also, this sentence summarizes their phenology research quite nicely.
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Second, the assembly of plant– animal interactions is strongly in-fluenced by seasonality in TDFs
I like the clarification, it made me remember about us learning that tropical biomes usually do not experience seasonality like other biomes, more like a rain and dry season.
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moodle-courses2527.wolfware.ncsu.edu moodle-courses2527.wolfware.ncsu.edu
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One aspect of the refugia hypothesis that was challenged wasthe implicit prediction that divergence times should be coincidentamong taxa that share a common history.
If I were to challenge any of the aspects, it would be this one. Using carbon dating and fossil samples may be the easiest way to determine if speciation occurred simultaneously or if we can find proof of timeline-based speciation.
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Another source of criticism was on the circularity of usingcurrent species distribution patterns as the main evidence of themechanism that generated these patterns
It feels like this is a valid reason to criticize a theory, considering current species distribution is complex to link to former species distribution.
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Haffer suggests that during the past glacial ages,Amazonia suffered several cycles of forest retraction and expansion,which favored speciation through population geographic isolation(vicariance)
This makes a lot of sense as the explanation for the high biodiversity found in the area, I can understand why people are interested in researching it further.
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moodle-courses2527.wolfware.ncsu.edu moodle-courses2527.wolfware.ncsu.edu
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our find-ings suggest that the fragmentation process (dependentof forest cover), not fragmentation per se (sensu Fahrig2003), might be causing the ordered local extirpation ofsome species and the recolonization of others
What exactly is the difference between the fragmentation process and fragmentation? And in this case, is the role of the fragmentation process studied in the context of the whole forest, or as a measure of connectivity among patches?
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We classified six different land-cover types usingSpring 3.3 (Camara et al. 1996): old-growth forest, sec-ondary forest, cattle pasture, annual crop, arboreal crop,and human settlement.
Seems like these classifications may be relevant for mapping or visualizing in a table
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nestedness
I had to research the meaning, nestedness refers to pattern in ecological networks where specialist species interact with a subset of the species that generalist species interact with, indicating high cohesion among the interacting species.
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moodle-courses2527.wolfware.ncsu.edu moodle-courses2527.wolfware.ncsu.eduuntitled2
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Harris (1975)suggested that it is necessary to have at least 50 degrees offreedom in the residual for multiple regression analyses to berobust in the presence of high colinearity
50 degrees of freedom means a large number of samples, correct? If so, do they consider 14 years of nonconsecutive sampling enough?
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The total extent of burned areas in plots the year before thesurvey was used as a predictor variable in the model.
It seems like this statement would be directly connected to their hypothesis and the purpose of the study
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