What is the precautionary principle in environmental management?

The bias in species richness and Shannon information depend on unknown parameters of the species abundance distribution. An unbiased estimator exists only for ... Feb 9, 2021 ... In this paper we explain coverage and Hill diversity, provide guidelines for how to use them together to measure species diversity, and demonstrate their use ... Aug 17, 2016 ... Stand structural diversity had a positive direct effect on aboveground C storage (β = 0.56), whereas there was little total effect of species ... Review your understanding of species diversity, ecosystem resilience, and the impacts of habitat loss on generalist and specialist species in this free article. Biodiversity is usually explored at three levels: genetic diversity, species diversity and ecosystem diversity. These three levels work together to create the ... In all, the Arctic is home to more than 21,000 known species of highly cold-adapted mammals, birds, fish, invertebrates, plants and fungi and microbe species. Jan 5, 2022 ... Nectar values from: Turnover in floral composition explains species diversity and temporal stability in the nectar supply of urban residential ... The primary purpose of a rarefaction curve, which is the graphical outcome of a rarefaction analysis, is to evaluate the completeness of a sample and explore ... The rotifers from Mexico represent 27 families and 75 genera. Molecular analysis showed about 20 cryptic taxa from species complexes. The genera Lecane, ... Airborne Hyperspectral Data Predict Fine-Scale Plant Species Diversity in Grazed Dry Grasslands. THOMAS MÖCKEL, Jonas Dalmayne, Honor C Prentice, ...