primary productivity
71Sodium tripolyphosphate — Chembox new ImageFile=sodium tripolyphosphate.png ImageSize=200px IUPACName=sodium triphosphate OtherNames= Section1= Chembox Identifiers CASNo= 7758 29 4 PubChem=517047 SMILES= [O ] P(=O)( [O ] )OP(=O)( [O ] )OP(=O)( [O ] ) [O ] . [Na+] . [Na+] …
72Deep sea — zones For the IMAX film, see Deep Sea 3D. The deep sea, or deep layer[1], is the lowest layer in the ocean, existing below the thermocline and above the seabed, at a depth of 1000 fathoms …
73Utricularia inflata — Taxobox image caption = image width = 220px status = status ref = regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Lamiales familia = Lentibulariaceae genus = Utricularia subgenus = Utricularia sectio = Utricularia species …
74Тахо (озеро) — У этого термина существуют и другие значения, см. Тахо. Тахо англ. Lake Tahoe Координаты: Координаты …
75Озеро Тахо — Тахо англ. Lake Tahoe Залив Эмеральд озера Тахо Координаты: Координаты …
76Amazon rainforest — Amazonia redirects here. For other uses, see Amazonia (disambiguation). Amazon Rainforest Forest …
77eutrophication — an increase in the chemical nutrients to be found in any particular ecosystem. Of particular concern to geographers as poor farming practices can introduce excessive nutrients to waterways, increasing the primary productivity of algal plants… …
78Southern Ocean — <p></p> <p></p> Introduction ::Southern Ocean <p></p> Background: <p></p> A large body of recent oceanographic research has shown that the Antarctic Circumpolar Current (ACC), an ocean current that… …
79Soil pH — is the pH of soil water. It is based on the measurement of pH, which depends on the activity of hydrogen ions (H+) in a solution.There are many different methods to collect soil water, all which influence the measured soil pH in one way or… …
80Cyperus papyrus — This article is about the plant. For other uses, see Papyrus. Cyperus papyrus Scientific classification Kingdom: Plantae …
