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- SPECIAL ISSUE: AMPHIBIAN DECLINES - Wiley Online Library
tion declines and species’ extinctions; (2) cause(s) seemed to be occurring simultaneously and over great distances; and (3) amphibian populations in protected, natural areas were declining The latter was alarming because it meant that habitat protection, perhaps the best way to ensure a species’ survival, was failing in the case of some
- How many species are described daily? - ResearchGate
This is a very difficult question, but yes, is posible to know the number of species described daily Just to give you an example, in the year 2016, science described around 18,000 new plant and
- Large-scale phylogenetic analyses reveal the causes of high . . .
We investigate the origins of high tropical diversity in amphibians, applying new phylogenetic comparative methods to a tree of 2871 species Our results show that high tropical diversity is explained by higher speciation in the tropics, higher extinction in temperate regions and limited dispersal out of the tropics compared with colonization
- The Biodiversity Crisis | Biology II - Lumen Learning
There are various initiatives to catalog described species in accessible ways, and the internet is facilitating that effort Nevertheless, it has been pointed out that at the current rate of species description, which according to the State of Observed Species Report is 17,000 to 20,000 new species per year, it will take close to 500 years to finish describing life on this planet [4]
- 29. 2: Fishes - Biology LibreTexts
Bony fishes can be divided into two clades: Actinopterygii (ray-finned fishes, virtually all extant species) and Sarcopterygii (lobe-finned fishes, comprising fewer than 10 extant species but which are the ancestors of tetrapods)
- Which group of vertebrates comprises highest number of . . .
Click here:point_up_2:to get an answer to your question :writing_hand:which group of vertebrates comprises highest number of endangered species
- The observed and estimated species richness of the amphibians . . .
Download scientific diagram | The observed and estimated species richness of the amphibians in three vegetation cover types on the Colombian Pacific coast from publication: Small Changes in
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