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|a (DE-627)JST087488140
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|a (JST)20048661
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Sánchez-Gallén, Irene
|e verfasserin
|4 aut
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|a Root Productivity in a Lowland Tropical Rain Forest in Mexico
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|c 1996
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
|b c
|2 rdamedia
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|a Online-Ressource
|b cr
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|a Fine root productivity was estimated in a lowland tropical rain forest at Los Tuxtlas (SE Mexico) and examined in relation to climatic factors. Two root diameter classes were defined (class I, < 1 mm; class II, 1-3 mm). Total root productivity was estimated to $1.95\text{t}\ \text{ha}^{-1}\text{year}^{-1}$ , a value which is lower than those reported from other rain forest sites. Significant differences in root dry weight were found among months and between diameter classes throughout the year. Class I monthly means formed two groups: one corresponding to the months of highest precipitation, and the other to the relatively dry season. Class II monthly means also formed two groups, although these were unrelated to the regional precipitation pattern. A multiplicative regression model of productivity on precipitation was significant for both root classes when rainfall data of the previous month were used, while a linear regression model was significant only for class I roots when temperature data of two months before were used; these results suggest a delay in the effect of climatic conditions on root productivity. While the seasonal pattern of root productivity is clearly related to the annual rainfall distribution, the low total annual productivity may be related to the very high soil fertility at Los Tuxtlas.
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|a Copyright 1996 Kluwer Academic Publishers
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|a Ecosystem functioning
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|a Fine-root production
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|a Physical factors
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|a Soil fertility
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|a Business
|x Business economics
|x Commercial production
|x Productivity
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|a Biological sciences
|x Ecology
|x Population ecology
|x Synecology
|x Biocenosis
|x Plant communities
|x Forests
|x Rain forests
|x Tropical rain forests
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|a Biological sciences
|x Biology
|x Botany
|x Plant morphology
|x Plant vegetation
|x Plant roots
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|a Biological sciences
|x Biology
|x Botany
|x Plants
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|a Applied sciences
|x Engineering
|x Civil engineering
|x Geotechnical engineering
|x Soil properties
|x Soil quality
|x Soil fertility
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|a Environmental studies
|x Atmospheric sciences
|x Meteorology
|x Hydrometeorology
|x Precipitation
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|a Biological sciences
|x Ecology
|x Biomass
|x Biomass production
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|a Biological sciences
|x Agriculture
|x Agricultural sciences
|x Agronomy
|x Soil science
|x Soils
|x Forest soils
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|a Physical sciences
|x Earth sciences
|x Geography
|x Geomorphology
|x Topography
|x Lowlands
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|a Biological sciences
|x Biology
|x Botany
|x Plant ecology
|x Forest ecology
|x Forest ecosystems
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|a research-article
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|a Alvarez-Sánchez, Javier
|e verfasserin
|4 aut
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773 |
0 |
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|i Enthalten in
|t Vegetatio
|d DR W. Junk Publishers, 1948
|g 123(1996), 2, Seite 109-115
|w (DE-627)601534670
|w (DE-600)2498625-2
|x 00423106
|7 nnns
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1 |
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|g volume:123
|g year:1996
|g number:2
|g pages:109-115
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|u https://www.jstor.org/stable/20048661
|3 Volltext
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|d 123
|j 1996
|e 2
|h 109-115
|