gross photosynthesis
1gross primary productivity — the addition, through photosynthesis, of organic matter in plants measured in dry grammes per square metre per year …
2Carnivorous plant — Insectivorous Plants redirects here. For the book by Charles Darwin, see Insectivorous Plants (book). Nepenthes mirabilis in flower, growing on a road cut in Palau Carnivorous plants are plants that derive some or most of their nutrients (but not …
3Critical Depth — This article is about the Oceanography term. For the video game, see Critical Depth (video game). In biological oceanography, Critical Depth is defined as a hypothesized surface mixing depth at which phytoplankton growth is precisely matched by… …
4Primary production — For other uses, see Primary production (economics). Global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary production potential,… …
5Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… …
6chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
7biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …
8temperate forest — ▪ ecology Introduction vegetation type with a more or less continuous canopy of broad leaved trees. Such forests occur between approximately 25° and 50° latitude in both hemispheres (seeFigure 1 >). Toward the polar regions they grade into… …
9algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… …
10tropical rainforest — Introduction also spelled tropical rain forest luxuriant forest, generally composed of broad leaved trees and found in wet tropical uplands and lowlands around the Equator. Rainforests are vegetation types dominated by broad leaved trees …
