نتایج جستجو برای: vegetated areas

تعداد نتایج: 403034  

2013
Hongwei Nan Qing Liu Jinsong Chen Xinying Cheng Huajun Yin Chunying Yin Chunzhang Zhao

BACKGROUND We have limited understanding of root foraging responses when plants were simultaneously exposed to nutrient heterogeneity and competition, and our goal was to determine whether and how plants integrate information about nutrients and neighbors in root foraging processes. METHODOLOGY/PRINCIPAL FINDINGS The experiment was conducted in split-containers, wherein half of the roots of s...

2016
Felix Oloo Angel Valverde María Victoria Quiroga Surendra Vikram Don Cowan Gabriela Mataloni

Bacteria play critical roles in peatland ecosystems. However, very little is known of how habitat heterogeneity affects the structure of the bacterial communities in these ecosystems. Here, we used amplicon sequencing of the 16S rRNA and nifH genes to investigate phylogenetic diversity and bacterial community composition in three different sub-Antarctic peat bog aquatic habitats: Sphagnum magel...

Journal: :Archives of environmental contamination and toxicology 2003
R Schulz M T Moore E R Bennett C D Milam J L Bouldin J L Farris S Smith C M Cooper

Methyl-parathion (MeP) was introduced into constructed wetlands for the purpose of assessing the importance of distance from the source of contamination and the role of emergent vegetation on the acute toxicity to Hyalella azteca (Crustacea: Amphipoda). A vegetated (90% cover: mainly Juncus effuses) and a nonvegetated wetland (each with a water body of 50 x 5.5 x 0.2 m) were each exposed to a s...

Journal: :Remote Sensing 2017
Roozbeh Raoufi Edward Beighley

Daily evapotranspiration (ET) is modeled globally for the period 2000–2013 based on the Penman–Monteith equation with radiation and vapor pressures derived using remotely sensed Land Surface Temperature (LST) from the MODerate resolution Imaging Spectroradiometer (MODIS) on the Aqua and Terra satellites. The ET for a given land area is based on four surface conditions: wet/dry and vegetated/non...

Journal: :Diseases of aquatic organisms 2012
Patricia Briones-Fourzán Rebeca I Candia-Zulbarán Fernando Negrete-Soto Cecilia Barradas-Ortiz Juan P Huchin-Mian Enrique Lozano-Álvarez

In Bahía de la Ascensión, Mexico, 'casitas' (large artificial shelters) are extensively used to harvest Caribbean spiny lobsters Panulirus argus. After the discovery of a pathogenic virus, Panulirus argus virus 1 (PaV1), in these lobsters, laboratory experiments revealed that PaV1 could be transmitted by contact and through water, and that lobsters avoided shelters harboring diseased conspecifi...

2005
R. GEERKEN B. ZAITCHIK

We present a method for a supervised classification of Normalized Difference Vegetation Index (NDVI) time series that identifies vegetation type and vegetation coverage, absolute in %coverage or relative to a reference NDVI cycle. The shape of the NDVI cycle, which is diagnostic for certain vegetation types, is our primary classifier. A Discrete Fourier Filter is applied to time series data in ...

2017
L. O. Lagos G. Merino D. Martin S. Verma

Journal: :Sustainability 2022

Understanding ecosystem development of post-mining areas requires observing the plant and microbial communities. It is widely known that mutual interaction important for both these groups, benefit significantly. The aim this study was to broaden knowledge about relation between vegetation functional diversity bacterial communities in novel ecosystems discuss potential applicability methods stud...

2015
Trisha B. Atwood Rod M. Connolly Euan G. Ritchie Catherine E. Lovelock Michael R. Heithaus Graeme C. Hays James W. Fourqurean Peter I. Macreadie

NATURE CLIMATE CHANGE | VOL 5 | DECEMBER 2015 | www.nature.com/natureclimatechange Climate change is an urgent societal issue that can be addressed by a combination of reduced emissions and climate mitigation strategies, including those based on natural carbon (C) stores (that is, biosequestration). The need to reduce atmospheric CO2 concentrations combined with global interest in C trading and...

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