(par 5.0) Holocene extinction (taken from wikipedia)
Holocene extinction https://en.wikipedia.org/wiki/Holocene_extinction The percentage of marine animal extinction at the genus level through the five mass extinctions The Holocene extinction, otherwise referred to as the Sixth extinction or Anthropocene extinction, is the ongoing extinction event of species during the present Holoceneepoch, mainly as a result of human activity.[1] The large number of extinctions spans numerous families of plants and animals, including mammals, birds, amphibians, reptiles and arthropods. With widespread degradation of highly biodiverse habitats such as coral reefs and rainforests, as […]
(par 4.2.7) The Importance of Ecotones
https://www.eoi.es/blogs/davidthorpe/2014/01/16/the-importance-of-ecotones/ Posted on 16/01/2014 by davidthorpe Source http://www.basic.ncsu.edu/segap/Vertebrate.html An Ecotone describes an area that acts as a transition or boundary between two ecosystems. This could be, for example, an area of marshland between a river and the riverbank, a clearing within a forest or a much larger area such as the transition between Arctic Tundra and Forest biomes in Northern Siberia. […]
(par 4.2.7) Ecotone (taken from Wikipedia)
From Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Ecotone Reed beds are a common form of lakeside ecotone. The beds tend to accumulate organic matter which is then colonised by trees, forcing the reeds further in to the lake. Fig.1 & 2 show simple ecotones with equal and homogeneous surfaces in both cases. Fig.3 shows an inclusion of each […]