low-abundance

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• Abundance (ecology) — Abundance is an ecological concept referring to the relative representation of a species in a particular ecosystem. It is usually measured as the large number of individuals found per sample.Abundance is contrasted with, but typically correlates… …   Wikipedia

• Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… …   Wikipedia

• abundance — noun ADJECTIVE ▪ great, rich, sheer ▪ We were amazed by the sheer abundance of food. ▪ relative ▪ high, low …   Collocations dictionary

• low — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ all time, new, record ▪ The pound has hit a new low against the dollar. VERB + LOW ▪ fall to, hit …   Collocations dictionary

• Low, Quebec — Infobox Settlement official name = Low nickname = Paugan motto = imagesize = 220px image caption = View down Paugan Dam flag size = 120x100px image shield = shield size = 120x100px mapsize = subdivision type = Country subdivision name = Canada… …   Wikipedia

• abundance — noun Date: 14th century 1. an ample quantity ; profusion 2. affluence, wealth 3. relative degree of plentifulness < low abundances of uranium and thorium H. C. Urey > …   New Collegiate Dictionary

• Occupancy-abundance relationship — In macroecology, the occupancy abundance (O A) relationship is the relationship between the abundance of species and the size of their ranges within a region. This relationship is perhaps one of the most well documented relationships in… …   Wikipedia

• Ecology of the San Francisco Estuary low salinity zone — The low salinity zone (LSZ) of the San Francisco Estuary and Delta represents a highlyaltered ecosystem. The region has been heavily re engineered to accommodate the needs ofwater delivery, shipping, agriculture, and most recently, suburban… …   Wikipedia

• Pelagic Ecology of the Low Salinity San Francisco Estuary — Pelagic organisms spend all or part of their lives in the open water, where habitat isdefined not by edges but by physiological tolerance to salinity and temperature. The LowSalinity Zone (LSZ) of the San Francisco Estuary constitutes a habitat… …   Wikipedia

• Rank abundance curve — A rank abundance curve is a chart used by ecologists to display indicators of biodiversity specifically species richness and species evenness. This is achieved using the relative abundances of different species in a sample. Rank abundance curves… …   Wikipedia

• Natural abundance — In chemistry, natural abundance (NA) refers to the abundance of isotopes of a chemical element as naturally found on a planet. The relative atomic mass (a weighted average) of these isotopes is the atomic weight listed for the element in the… …   Wikipedia