richness
41Conservation grazing — is the use of semi feral or domesticated grazing livestock to maintain and increase the biodiversity of natural or semi natural grasslands, heathlands, wood pasture, wetlands and many other habitats.[1][2] Conservation grazing is generally less… …
42Artenpool-Hypothese — Die Artenpool Hypothese (engl. Species Pool Hypothesis) entstand Ende des letzten Jahrhunderts als alternativer Top down Ansatz zu den zuvor propagierten Bottom up Erklärungsversuchen für die Artenvielfalt auf Gemeinschaftsebene (Biozönosen). Sie …
43Gothic Architecture — • History of the style Catholic Encyclopedia. Kevin Knight. 2006. Gothic Architecture Gothic Architecture † …
44Ecology — For other uses, see Ecology (disambiguation). Ecology …
45Heard Island and McDonald Islands — Heard Island Nickname: HIMI Satellite image of the southern tip of Heard Island. Cape Arkona is seen on the left side of the image, with Lied Glacier just above and Gotley Glacier just below. Big Ben Volcano and Mawson Peak are seen at the lower… …
46Theoretical ecology — Mathematical models developed in theoretical ecology predict complex food webs are less stable than simple webs.[1]:75–77[2]:64 …
47Island biogeography — is a field within biogeography that attempts to establish and explain the factors that affect the species richness of natural communities. In this context [island] s] can be any area of habitat surrounded by areas unsuitable for the species on… …
48Rank abundance curve — A rank abundance curve is a chart used by ecologists to display indicators of biodiversity specifically species richness and species evenness. This is achieved using the relative abundances of different species in a sample. Rank abundance curves… …
49Mallee (biogeographic region) — The IBRA regions, with Mallee in red Mallee, also known as Roe Botanical District, is a biogeographic region in southern Western Australia. Located between the Esperance Plains, Avon Wheatbelt and Coolgardie regions, it has a low, gently… …
50Human impacts on the nitrogen cycle — Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural N fixation (Galloway 2003). As a consequence of anthropogenic inputs, the global nitrogen cycle (Fig. 1) has been significantly altered over… …
