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What is a species in biology?
What is the relationship between law and ecosystems?
What does 'biodiversity' mean?
What is the economic value of ecosystem services?
4 days ago · Biodiversity (or biological diversity) is the variety and variability of life on Earth. It can be measured on various levels. There is for example genetic variability, species diversity, ecosystem diversity and phylogenetic diversity. [1] Diversity is not distributed evenly on Earth.
5 days ago · where S obs(i) is the observed species richness and S est(i) is the estimated species richness for sampling units/ecoregion i, with C values ranging from zero to one. High C values suggest high degrees of species inventory completeness; this information can be used to validate the current state of knowledge about species richness in a particular region and identify areas with knowledge gaps (i ...
6 days ago · A species ( pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1] . It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
2 days ago · Forests make immense contributions to societies in the form of ecological services and sustainable industrial products. However, they face major challenges to their viability and economic use due to climate change and growing biotic and economic threats, for which recombinant DNA (rDNA) technology can sometimes provide solutions.
4 days ago · Extreme climate events are one of the most serious natural disasters to human society 1,1.Due to global warming and the disturbance of the interannual variability of precipitation, the frequency ...
5 days ago · Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history,...
2 days ago · The need for long-term observation plots in different agro-ecosystems in Europe was emphasised in contributions to the discussion. Furthermore, methodological developments and standardisations that are simple and direct enough to be accepted and applied at the practical level by farmers and advisors were called for.
