biotic factors in ecosystems

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• Lotic ecosystems — are the ecosystems of rivers, streams and springs. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical). [Angelier (2003)] Lotic… …   Wikipedia

• Lentic ecosystems — are the ecosystems of lakes, ponds and swamps. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical).cite book | last = Brown first …   Wikipedia

• Ecosystem — An ecosystem is a natural unit consisting of all plants, animals and micro organisms(biotic factors) in an area functioning together with all of the non living physical (abiotic) factors of the environment.Christopherson, RW (1996) Geosystems: An …   Wikipedia

• Ecology — For other uses, see Ecology (disambiguation). Ecology …   Wikipedia

• Species distribution — A species range maps represents the geographical region where individuals of a species can be found. This is a range map of Juniperus communis, the common juniper. Species distribution is the manner in which a biological taxon is spatially… …   Wikipedia

• Biogeochemical cycle — A commonly cited example is the water cycle. In ecology and Earth science, a biogeochemical cycle or substance turnover or cycling of substances is a pathway by which a chemical element or molecule moves through both biotic (biosphere) and… …   Wikipedia

• Natural environment — This article is about the environment. For other uses, see Environment (disambiguation). See also: Nature Land management policies have been developed to preserve the natural characteristics of Hopetoun Falls, Australia while allowing ample… …   Wikipedia

• Latitudinal gradients in species diversity — The pattern= The increase in species richness or biodiversity that occurs from the poles to the tropics, often referred to as the latitudinal gradient in species diversity, is one of the most widely recognized patterns in ecology. Put another way …   Wikipedia

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Biome — The planet Earth Biomes are climatically and geographically defined as similar climatic conditions on the Earth, such as communities of plants, animals, and soil organisms,[1] and are of …   Wikipedia

• Geographic feature — Geographic features, or geographical formations, are components of a planet that can be referred to as locations, sites, areas, or regions (and therefore may show up on maps). There are natural geographic features, abstract geographic features,… …   Wikipedia