Webb10 apr. 2024 · We studied the pollen diet of individuals from nine different Bombus terrestris colonies for up to 6 weeks, to investigate flower constancy and pollen diversity of individuals and colonies, and how these change over time. We expected high degrees of flower constancy and foraging consistency over time, based on foraging theory and … Webb29 mars 2024 · Simpson’s Diversity Index is a way to measure the diversity of species in …

Vitamin D deficiency and anemia risk in children: a review of …

Webb6 mars 2014 · Traditional measures of diversity, namely the number of species as well … WebbSimpson diversity indexes were calculated higher ... dominancy inversely proportional to diversity was measured lower at the gardens managed by ... Simpson dominance index; EH: Shannon Evenness. fly or dot

A conceptual guide to measuring species diversity

Webb12 dec. 2024 · By analyzing changes in species composition and population structure, diversity characters and interspecific interactions, we aimed to scientifically reveal the stability dynamics during the restoration of plantation and predicting its trend in the future, thus reasonably putting forward reliable measures of near-natural nurturing and … WebbSimpson EH. Measurement of diversity. Nature 1949;163:688. Tsallis C. Possible generalization of Boltzmann-Gibbs statistics. Journal of Statistic Physics 1988;52:479-487. Tsallis C, Mendes RS, Plastino AR. The role of constraints within … Webb1. Disturbances play a central role in determining the spatial and temporal dynamics of many plant communities. In our study of macrophyte assemblages at 150 sites in five arms of a large subtropical reservoir (Itaipu Reservoir, Brazil–Paraguay border), we used co-occurrence null models and spatiotemporal analyses to describe the patterns in the … green party platform summary