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  2. Ecosystem - Wikipedia

    en.wikipedia.org/wiki/Ecosystem

    [9]: 39 [10]: 66 Other external factors that play an important role in ecosystem functioning include time and potential biota, the organisms that are present in a region and could potentially occupy a particular site. Ecosystems in similar environments that are located in different parts of the world can end up doing things very differently ...

  3. Ecosystem service - Wikipedia

    en.wikipedia.org/wiki/Ecosystem_service

    An example of an ecosystem service is pollination, here by a honey bee on avocado crop.. Ecosystem services are the various benefits that humans derive from ecosystems.The interconnected living and non-living components of the natural environment offer benefits such as pollination of crops, clean air and water, decomposition of wastes, and flood control.

  4. Freshwater ecosystem - Wikipedia

    en.wikipedia.org/wiki/Freshwater_ecosystem

    Lentic systems are diverse, ranging from a small, temporary rainwater pool a few inches deep to Lake Baikal, which has a maximum depth of 1642 m. [10] The general distinction between pools/ponds and lakes is vague, but Brown [ 9 ] states that ponds and pools have their entire bottom surfaces exposed to light, while lakes do not.

  5. Smallest organisms - Wikipedia

    en.wikipedia.org/wiki/Smallest_organisms

    For example, Porcine circovirus type 1 has a genome of 1,759 nucleotides [10] and a capsid diameter of 17 nm (1.7 × 10 −5 mm). [11] As a whole, the viral family geminiviridae is about 30 nm (3.0 × 10 −5 mm) in length. However, the two capsids making up the virus are fused; divided, the capsids would be 15 nm (1.5 × 10 −5 mm) in length ...

  6. Plant ecology - Wikipedia

    en.wikipedia.org/wiki/Plant_ecology

    A tropical plant community on Diego Garcia Rangeland monitoring using Parker 3-step Method, Okanagan Washington 2002. Plant ecology is a subdiscipline of ecology that studies the distribution and abundance of plants, the effects of environmental factors upon the abundance of plants, and the interactions among plants and between plants and other organisms. [1]

  7. Directorate General of Nature Resources and Ecosystem ...

    en.wikipedia.org/wiki/Directorate_General_of...

    The Directorate General of Nature Resources and Ecosystem Conservation (Indonesian: Direktorat Jenderal Konservasi Sumber Daya Alam dan Ekosistem, also known as Ditjen KSDAE) is a directorate general under the Ministry of Environment and Forestry of the Republic of Indonesia.

  8. Hydra viridissima - Wikipedia

    en.wikipedia.org/wiki/Hydra_viridissima

    Hydra viridissima is a species of cnidarian which is commonly found in still or slow-moving freshwater [2] in the Northern temperate zone. Hydra viridissima is commonly called green hydra due to its coloration, which is due to the symbiotic green algae Chlorella vulgaris which live within its body. [3]

  9. Vorticella - Wikipedia

    en.wikipedia.org/wiki/Vorticella

    Vorticella was first described by Antonie van Leeuwenhoek in a letter dated October 9, 1676. Leeuwenhoek thought that Vorticella had two horns moving like horse ears near the oral part, which turned out to be oral cilia beating to create water flow. [4]