Biome

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Biome

A major community of plants and animals having similar life forms or morphological features and existing under similar environmental conditions. The biome, which may be used at the scale of entire continents, is the largest useful biological community unit. In Europe the equivalent term for biome is major life zone, and throughout the world, if only plants are considered, the term used is formation. See Ecological communities

Each biome may contain several different types of ecosystems. For example, the grassland biome may contain the dense tallgrass prairie with deep, rich soil, while the desert grassland has a sparse plant canopy and a thin soil. However, both ecosystems have grasses as the predominant plant life form, grazers as the principal animals, and a climate with at least one dry season. Additionally, each biome may contain several successional stages. A forest successional sequence may include grass dominants at an early stage, but some forest animals may require the grass stage for their habitat, and all successional stages constitute the climax forest biome. See Desert, Ecological succession, Ecosystem, Grassland ecosystem

Distributions of animals are more difficult to map than those of plants. The life form of vegetation reflects major features of the climate and determines the structural nature of habitats for animals. Therefore, the life form of vegetation provides a sound basis for ecologically classifying biological communities. Terrestrial biomes are usually identified by the dominant plant component, such as the temperate deciduous forest. Marine biomes are mostly named for physical features, for example, for marine upwelling, and for relative locations, such as littoral. Many biome classifications have been proposed, but a typical one might include several terrestrial biomes such as desert, tundra, grassland, savanna, coniferous forest, deciduous forest, and tropical forest. Aquatic biome examples are fresh-water lotic (streams and rivers), fresh-water lentic (lakes and ponds), and marine littoral, neritic, upwelling, coral reef, and pelagic. See Fresh-water ecosystem, Marine ecology, Plants, life forms of

Biome

An entire community of living organisms in a single major ecological area.

Biome

 

an aggregation of plant and animal species that make up the living population of a particular region. The term is used mainly in foreign ecological and biogeographic literature. The term “biota,” which is applied to wider areas of the earth’s surface, expresses a similar idea.

biome

[′bī‚ōm]
(ecology)
A complex biotic community covering a large geographic area and characterized by the distinctive life-forms of important climax species.
References in periodicals archive ?
However, if we compare the 95% LOD from BioM HCV VL assay with two other commercial assays, such as COBAS AmpliPrep/COBAS TaqMan HCV Test and The Abbott RealTime HCV assay our results are less sensitive.
Conversion to BIOM viewing system was needed in the RD cases of groups 1 and 2.
This was associated with a significant [[sigma].sup.2.sub.GXL] variance component for all traits except BIOM. The effect of N and its contribution to G x E interaction was small, and was only significant for the [[sigma].sup.2.sub.GXNXL] variance component for storage root yield, biomass, and storage RDM.
For this reason, fencing and fertilization were included in the model as treatment variables (Joreskog and Sorbom 1996), and the [R.sup.2] values for SPDN and BIOM increased to 60% and 39% respectively [ILLUSTRATION FOR FIGURE 2 OMITTED].
Abbreviations: BIOM, plant biomass; CHL, total chlorophyll content; DH, days to heading; [Delta], carbon isotope discrimination; EPT, epidermal transpiration rate; GW, grain weight per plant; LA, leaf area; LCO, leaf colour; LL, leaf length; PTD, plant temperature depression; RWC, relative water content; SLDW, specific leaf dry weight.
The BiOM Ankle, the company's flagship product, is sold as the only lower-limb prosthesis with powered propulsion for enhanced mobility.
Materials Management Dept, Nmdc Ltd Biom, Bacheli Complex
Clarke once opined “any sufficiently advanced technology is indistinguishable from magic.” Indeed, recent advances in prosthetic technologies, such as the iWalk BiOM, have not only dazzled the senses and given rise to the feeling that “all is possible,” but they have also led to a desire to continually create and innovate.
The hand over ceremony of solar power devices (water heating collectors, stoves, street lamps) to the Bishkek homeless children rehabilitation center from the environmental movement BIOM will take place tomorrow in Bishkek.The action was made possible as part of the Project "Renewable Energy Sources - New Opportunities for Kyrgyzstan".
Tickers featured: AELA, AVE, BIOM, BVF, CRA, GENZ, INCY, ISA:TSE, NVO, NVS, PLI:TSE, QLTI, TH:TSE.
The UN Volunteers together with BIOM and UN Human Rights Agency are holding the photo competition entitled "Clean environment and my right".
It is organized by the Karakol Media Resource Centre Dom Jurnalista and taught by an expert from the environmental group BIOM."It is of utmost importance that not only state structures, but also ordinary citizens, people living in environmentally problematic areas, take part in decision-making on environmental issues.