Results 291 to 300 of about 1,779,561 (384)

Drought monitoring and prediction over China [PDF]

open access: yes, 2008
Chen, Youqi   +18 more
core   +2 more sources

Interannual spectral consistency and spatial uncertainties in UAV‐based detection of boreal and subarctic mire plant communities

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
UAVs provide high spatial resolution imagery to detect and assess the spatial complexity of peatland vegetation. We used interannual multispectral data from aapa and palsa mires in Finland to classify plant communities using Random Forest. Based on class membership probabilities, we generated maps showing the second most likely classes and an ...
Franziska Wolff   +9 more
wiley   +1 more source

Precipitation and temperature drive woody vegetation dynamics in the grasslands of sub‐Saharan Africa

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Identifying the drivers of ecosystem dynamics, and their spatiotemporal variation, is critical in the face of global change. Sub‐Saharan African grasslands support biodiversity, carbon storage, and livelihoods, yet the drivers of change remain poorly understood.
Francesco D'Adamo   +5 more
wiley   +1 more source

Spatiotemporal patterns and driving factors for vegetation growth status in the upper reaches of the Yellow River

open access: yesRiver, EarlyView.
This study developed the WEP‐CHC model, integrating vegetation growth dynamics into the hydrological WEP framework, to explore the spatiotemporal patterns and driving mechanisms of vegetation growth status (VGS) in the upper Yellow River. The results revealed significant spatiotemporal variability in VGS, with annual hydrothermal conditions and soil ...
Xiaolong Wang   +7 more
wiley   +1 more source

Occurrence characteristics of microplastics in Dongting Lake, China

open access: yesRiver, EarlyView.
Abstract Lakes are critical sinks for terrigenous microplastics (MPs), yet understanding their ecological risks remains hindered by data uncertainties and the absence of local background values. In this study, an enhanced pollution load index (PLI) model integrating stochastic mathematical methods and species sensitivity distributions (SSD) was ...
Jiuqiong Niu   +3 more
wiley   +1 more source

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