Definition Of Biodiversity Wikipedia

Habitat diversity or even biodiversity vs.

Definition of biodiversity wikipedia. Biodiversity is not evenly distributed rather it varies greatly across the globe as well as within regions. Biodiversity definition is biological diversity in an environment as indicated by numbers of different species of plants and animals. La biodiversité désigne la variété des formes de vie sur la terre ce terme est composé du préfixe bio du grec βίος vie et du mot diversité. Biologists most often define biodiversity as the totality of genes species and ecosystems of a region.

Norman myers in two articles in the scientific journal the environmentalist 1988 and 1990. Elle s apprécie en considérant la diversité des écosystèmes des espèces et des gènes dans l espace et dans le temps ainsi que les interactions au sein de ces niveaux d organisation et entre eux. The net effect of slashing and burning on biodiversity is difficult to evaluate australia like all countries on earth is defined by its biodiversity their reports help shape the legislation that help preserve biodiversity to detect changes in biodiversity there has to be a way to measure it. Rapid environmental changes typically cause mass extinctions.

Biodiversity itself is not a single concept but can be split up into various scales e g. One definition of a biodiversity hotspot is a region with many endemic species. Phylogenetic diversity species diversity genetic diversity nucleotide diversity. There are three levels at which biological variety can been identified.

Broader than biodiversity it includes geology and landforms. The question of net loss in confined regions is. The number and types of plants and animals that exist in a particular area or in the world. An advantage of this definition is that it seems to describe most circumstances.

Biodiversity is the degree of variation of life forms within a given species ecosystem biome or an entire planet biodiversity is a measure of the health of ecosystems biodiversity is in part a function of climate in terrestrial habitats tropical regions are typically rich whereas polar regions support fewer species. Among other factors the diversity of all living things depends on temperature precipitation altitude soils geography and the presence of other species the study of the spatial distribution of organisms species and ecosystems is the science of biogeography. Habitat diversity or different subcategories e g. Meaning pronunciation translations and examples.