Species composition definition

Species composition means number, kinds and amount of species. (ei) “Species diversity” means number of species per unit area.
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Species composition means, with respect to a stand or other area of land, the species that constitute the plant community within that stand or area. When used with respect to silviculture, this term means the proportion of each tree species expressed as a percentage of the total number, basal area, or volume of all tree species in the stand or area.
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Species composition means number, kinds, amount, and quality of species.
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Examples of Species composition in a sentence

  • Species composition of these samples is useful for determining ▇▇▇ and WCT spawner use of the index reaches, and the occurrence of hybridization.

  • Species composition is shifted to ponderosa pine, consistent with the range of historic variability (HRV).

  • Species composition reflects the habitat composition, habitat conditions, and season of the year.

  • Since ▇▇▇▇, ▇▇▇▇▇▇▇▇▇▇ annually undertakes two offshore expeditions (summer and winter) in the Middle and Southern Caspian with the purpose of assessing the following with regard to ▇▇▇▇▇▇▇▇: · Abundance; · Commercial reserves and distribution of ▇▇▇▇▇▇▇▇; · Species composition and the abundance of the biomass of plankton and macrozoobethos; and · Identification of changes in distribution and proportion of population of various species of sturgeons.

  • The Species composition throughout the sale is ▇▇▇▇▇▇▇ fir at 38%, Western Hemlock at 53%, and Western Red Cedar at 7%.

  • The Species composition throughout the sale is ▇▇▇▇▇▇▇ fir at 73%, Western Hemlock at 12%, and Western Red Cedar at 13%.

  • Species composition of the woodland on the site reflects additional human influence with the presence of several exotic trees, such as Leucaena leucocephala and fruit species, which are the dominant species in some areas of the woodland.

  • Species composition collected in nearshore traps in four WVP reservoirs, 2013.

  • The Forest Service will determine if the contractor has met the desired conditions by visually assessing the following acceptance criteria: All cutting units: • Canopy Cover (residual CC) • Spatial Patterns o Distribution and size of groups o Distribution and width of interspaces and/or regeneration openings • Residual tree quality • Species composition • Size class distribution When work is satisfactory, it will be accepted.

  • Species composition collected in nearshore traps from three WVP reservoirs, 2014 47 Table A-2.

Related to Species composition

  • Species means any species, subspecies, or geographically separate population thereof;

  • Aquaculture means farming of aquatic organisms including fish, molluscs, crustaceans, other aquatic invertebrates and aquatic plants, from feedstock such as eggs, fry, fingerlings and larvae, by intervention in the rearing or growth processes to enhance production such as regular stocking, feeding, or protection from predators;

  • Biological agent shall mean any pathogenic (disease producing) micro-organism(s) and/or biologically produced toxin(s) (including genetically modified organisms and chemically synthesized toxins) which cause illness and/or death in humans, animals or plants.

  • Animal means any nonhuman animate being endowed with the power of voluntary action.

  • Chemical agent shall mean any compound which, when suitably disseminated, produces incapacitating, damaging or lethal effects on people, animals, plants or material property.