Results 21 to 30 of about 454,797 (345)

Photosynthesis and nutrient-use efficiency in response to N and P addition in three dominant grassland species on the semiarid Loess Plateau

open access: yesPhotosynthetica, 2020
Understanding the ecophysiological and nutrient-use strategies of dominant species is important for clarifying plant growth and an ecological process in their community under unbalanced N and P inputs. This study investigated effects of N and P addition [
Z.F. CHEN   +6 more
doaj   +1 more source

An improved daily standardized precipitation index dataset for mainland China from 1961 to 2018

open access: yesScientific Data, 2022
Measurement(s) Standardized Precipitation Index Technology Type(s) data transformation Factor Type(s) observation period • temporal resolution • spatial resolution Sample Characteristic - Environment drought • climate change • climate extremes Sample ...
Qianfeng Wang   +7 more
doaj   +1 more source

Sediment transport capacity of concentrated flows on steep loessial slope with erodible beds

open access: yesScientific Reports, 2017
Previous research on sediment transport capacity has been inadequate and incomplete in describing the detachment and transport process of concentrated flows on slope farmlands during rill development.
Hai Xiao   +5 more
doaj   +1 more source

Integrated Ecological Risk Assessment of the Agricultural Area under a High Anthropopressure Based on Chemical, Ecotoxicological and Ecological Indicators

open access: yesAgriculture, 2023
Agricultural land is often located close to highly urbanised/industrialised areas and is subject to continuous anthropogenic pressure associated with the emission of many pollutants, ultimately deposited in the soil.
Agnieszka Klimkowicz-Pawlas   +2 more
doaj   +1 more source

Estimating soil degradation in montane grasslands of North-eastern Italian Alps (Italy) [PDF]

open access: yes, 2019
Grasslands cover a large portion of the terrestrial ecosystems, and are vital for biodiversity conservation, environmental protection and livestock husbandry.
Masin, Roberta   +4 more
core   +2 more sources

Substantial role of check dams in sediment trapping and carbon sequestration on the Chinese Loess Plateau

open access: yesCommunications Earth & Environment, 2023
Check dams on the Chinese Loess Plateau are estimated to trap and bury approximately 10.2 ± 0.6 Pg of eroded sediment and 21.6 ± 9.9 Tg of organic carbon over the past 50 years, according to large-scale field surveys and remote sensing.
Nufang Fang   +12 more
doaj   +1 more source

Scourability of Undisturbed Soils of Different Land Use Types in Loess Hilly Region Under Natural Freezing and Thawing Conditions

open access: yesShuitu baochi tongbao, 2022
[Objective] The effects of freezing and thawing on soil erosion resistance of three land use types (sloping farmland, grassland, and shrub land) were studied in order to provide a theoretical basis for vegetation restoration and construction in the ...
Bo Lanfeng, Li Zhanbin, Ma Bo, Xiao Lie
doaj   +1 more source

Assessment of the Permanent Gully Morphology Measurement by Unmanned Aerial Vehicle Photogrammetry with Different Flight Schemes in Dry–Hot Valley of Southwest China

open access: yesDrones
Unmanned Aerial Vehicle (UAV) photogrammetry technique offers significant potential for generating highly detailed digital surface models (DSM) of gullies. However, different flight schemes can considerably influence measurement accuracy.
Ji Yang   +5 more
doaj   +1 more source

Analysis of Land Use Change Characteristics and Its Driving Forces in the Loess Plateau: A Case Study in the Yan River Basin

open access: yesLand, 2023
Land resources are closely intertwined with human survival, making it crucial to explore the spatiotemporal changes and driving forces of land use. In this study, the Yan River Basin in the Loess Plateau was selected as the study area.
Jiahui Zhou   +3 more
doaj   +1 more source

Spatiotemporal Dynamics and Transboundary Differences in Fractional Vegetation Cover in the Red River Basin from 2000 to 2023

open access: yesRemote Sensing
The vegetation cover in the Red River Basin (RRB) has undergone considerable changes over the past 20 years. Identifying vegetation cover and its transboundary differences is crucial for assessing the ecological health of the region.
Yiwei Zhang   +6 more
doaj   +1 more source

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