Titlebook: New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas; Report of the Intern Alan R. Townsend Book 1999 Springer Scien

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CLASP

septicemia

Nitrogen stable isotopic composition of leaves and soil: Tropical versus temperate forests,it may function as an excess nutrient in many tropical forests. If this is correct, tropical forests should have more open N cycles than temperate forests, with both inputs and outputs of N large relative to N cycling within systems. Consequent differences in both the magnitude and the pathways of N

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补充

A nitrogen budget for late-successional hillslope tabonuco forest, Puerto Rico,ances may be measured. Using previously published data and supplemental new data on gaseous N loss, we construct a N budget for hillslope tabonuco forest (HTF) stands in Puerto Rico. HTF stands are subject to frequent hurricanes and landslides; here, we focus on N fluxes in the late phase of inter-d

AGONY

The impact of accelerating land-use change on the N-Cycle of tropical aquatic ecosystems: Current cion on the nitrogen biogeochemistry of tropical aquatic ecosystems, identify important patterns and recommend key needs for research. The tropical N-cycle is traced from pre-disturbance conditions through the phases of disturbance, highlighting major differences between tropical and temperate system

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Nitrogen yields from undisturbed watersheds in the Americas,e, either through land use or atmospheric deposition, is negligible or slight. These yields are taken as representative of background conditions over a broad range of watershed areas, elevations, and vegetation types. The data set focuses on watersheds of the American tropics, but also includes info

傲慢人

Nitrogen cycling and anthropogenic impact in the tropical interamerican seas,ems. We then explore how accelerated nutrient cycling from human activities is affecting these systems..Both nitrogen and phosphorus exert substantial influence on biological productivity and structure of tropical marine ecosystems. Offshore planktonic communities are largely nitrogen limited while

mortgage

Ecosystem constraints to symbiotic nitrogen fixers: a simple model and its implications, symbioses, remains a significant puzzle in terrestrial ecology. We describe a simple simulation model for an ecosystem containing a generic nonfixer and a symbiotic . fixer, based on: (1) a higher cost for . acquisition by . fixers than nonfixers; (2) growth of fixers and fixation of . only when lo

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