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Phosphorus biogeochemistry across a precipitation gradient

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China Science Journ

Water-use strategies of two dominant desert plants along a precipitation gradient in north ... Rela-tionship between leaf phosphorus concentration and soil phosphorus ...

Phosphorus biogeochemistry across a precipitation gradient .

Soluble P, a small fraction of total P in surface A horizons, was greatest at the mixed grass sites. The distribution of secondary soil P fractions across the gradient suggested decreasing Ca-bound P and increasing amounts of occluded P with increasing precipitation.

(1991) Phosphorus Geochemistry in the Sediment-Water .

change with OH-, and (ii) precipitation of P as hy-droxyapatite. Phosphorus release from sediments was also shown to be highly correlated to the concentration gradient of P in the interstitial waters (Kamp-Nielsen, 1974) and to temperature (Holdren and Armstrong, ... Phosphorus Geochemistry in the Sediment-Water Column of a Hypereutrophic Lake ...

Variations in soil phosphorus biogeochemistry across six .

Variations in soil phosphorus biogeochemistry across six vegetation types along an altitudinal gradient in SW China Jun Zhou, Yanhong Wu⁎, Haijian , Zijiang Yang, Jipeng Wang, Hongyang Sun, Shouqin Sun, Ji Luo Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China

Net primary productivity and nutrient cycling across a .

In contrast, patterns of foliar and soil phosphorus (P) did not correspond with the decrease in growth; P availability was highest at either end of the precipitation gradient and lowest across the middle. Natural abundance of δ15N in foliage and soils decreased with increased precipitation, further supporting the idea that N availability declined.

China Science Journ

Water-use strategies of two dominant desert plants along a precipitation gradient in north ... Rela-tionship between leaf phosphorus concentration and soil phosphorus ...

Phosphorus export across an urban to rural gradient in the .

[1] Watershed export of phosphorus (P) from anthropogenic sources has contributed to eutrophication in freshwater and coastal ecosystems. We explore impacts of watershed urbanization on the magnitude and export flow distribution of P along an urban‐rural gradient in eight watersheds monitored as part of the Baltimore Ecosystem Study Long‐Term Ecological Research site.

Effect of hydrological variability on the biogeochemistry .

Effect of hydrological variability on the biogeochemistry of estuaries across a regional climatic gradient. Paul A. Montagna ... meaning climate change forecasts of higher temperatures and decreased precipitation can make the biogeochemistry of fresher estuaries change to the patterns of saltier estuaries. ... and total phosphorus ...

Phosphorus biogeochemistry across a precipitation gradient .

Phosphorus biogeochemistry across a precipitation gradient in grasslands_英语学习_外语学习_教育专区 24人阅读|10次下载 Phosphorus biogeochemistry across ...

Precipitation, decomposition and litter decomposability of .

1 The effects of precipitation on litter quality and surface litter decomposition were evaluated across a natural rainfall gradient, ranging from 500 to 5500 mm mean annual precipitation, on the island of Hawai’i.. 2 Litter of Metrosideros polymorpha from the driest (500 mm) and wettest (5500 mm) extremes of the gradient was decomposed at five sites along the precipitation gradient.

Phosphorus Biogeochemistry Across a Precipitation Gradient .

Soil P transformations and distribution studies under water limited conditions that characterize many grasslands may provide further insight into the importance of abiotic and biotic P controls within grassdominated ecosystems. We assessed transformations between P pools across four sites spanning the shortgrass steppe, mixed grass prairie, and tallgrass prairie along a 400-mm precipitation ...

Soil Science Society of America Journal Abstract .

Phosphorus biogeochemistry across a precipitation gradient in grasslands of central North America Journal of Arid Environments 2010 74:8 Changes in soil phosphorus fractions across a toposequence in the estuary plains of Pakistan Archives of Agronomy and Soil Science 2016 62:11

Soil redox dynamics and biogeochemistry along a tropical .

biogeochemistry in soils and across the soil-atmosphere interface. We present a simple conceptual model linking redox dynamics with key biogeochemical processes, and review the literature on redox-related cycling of C, nitro - gen (N), iron (Fe), and phosphorus (P) along this elevation gradient. Study site and approach The elevation gradient

Soil phosphorus fractions and tree phosphorus resorption .

Soil phosphorus fractions and tree phosphorus resorption forests along an urban-to-rural gradient_生物学_自然科学_专业资料 39人阅读|9次下载 Soil phosphorus ...

Spatial patterns in oxygen and redox sensitive .

redox sensitive biogeochemistry within and across two forest types at the ends of a high rainfall gradient (3500 to 5000 mm y 1) in the Luquillo Experimental Forest, Puerto Rico. The two sites differed significantly in average soil chemical and physical properties, but the scale of variability was similar across sites, with

Biogeochemistry | NSF NEON | Open Data to Understand our .

Biogeochemistry is the study of the cycling of the fundamental chemicals that support life, collectively termed nutrients. NEON collects and produces data on nutrients, such as carbon, nitrogen and phosphorus, which move through the atmosphere, water bodies, soil, microbes, plants and animals to support understanding of nutrient cycling in a variety of ecosystems.

贡嘎山燕子沟土壤磷海拔梯度特征及影响因素-《山地学报

ZHOU Jun,BING Haijian,WU Yanhong,et al.Variations in Soil P Biogeochemistry and Its Impact Factors along an Altitudinal Gradient in the Yanzigou,Eastern Slope of ...