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An example of ecological diversity on a global scale would be the variation in ecosystems, such as deserts, forests, grasslands, wetlands and oceans. Ecological diversity is the largest scale of biodiversity, and within each ecosystem, there is a great deal of both species and genetic diversity. [1] [2] [3] [4]
Ecosystem processes may take many years to recover from significant disturbance. [5] For instance, large-scale forest clearance in the northeastern United States during the 18th and 19th centuries has altered soil texture, dominant vegetation, and nutrient cycling in ways that impact forest productivity in the present day.
Also Gause's law. A biological rule which states that two species cannot coexist in the same environment if they are competing for exactly the same resource, often memorably summarized as "complete competitors cannot coexist". coniferous forest One of the primary terrestrial biomes, culminating in the taiga. conservation biology The study of Earth's biodiversity with the aim of protecting and ...
A hydrothermal vent is an ecosystem on the ocean floor. (The scale bar is 1 m.) Ecosystem ecology is the "study of the interactions between organisms and their environment as an integrated system". [2]: 458 The size of ecosystems can range up to ten orders of magnitude, from the surface layers of rocks to the surface of the planet. [4]: 6
A standardized typology for large-scale areas characterized by vegetation, soil, climate, and wildlife in 14 major categories per Dinerstein et al. [21] Within the IUCN Ecosystem Typology, Level 2 "biomes" are reduced to 7 "core" terrestrial types, including an anthropogenic land-use type, and several additional "transitional" biome types. [22]
A biotope is generally not considered to be a large-scale phenomenon. For example, a biotope might be a neighbouring park, a back garden, potted plant, a terrarium or a fish tank on a porch. In other words, the biotope is not a macroscopic but a microscopic approach to preserving the ecosystem and biological diversity.
Ecological processes on a large-scale level such as climate, fire and grazing have strong influences in this system. Today, the shortgrass prairie has suffered the greatest biological destruction of any major biome in North America. The three central processes historically shaping the shortgrass prairie are herbivory, drought, and fire.
The use of the term ecoregion is an outgrowth of a surge of interest in ecosystems and their functioning. In particular, there is awareness of issues relating to spatial scale in the study and management of landscapes. It is widely recognized that interlinked ecosystems combine to form a whole that is "greater than the sum of its parts".