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Agriculture, Ecosystems & Environment
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7767
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#1Wen-rui Zhao (CAS: Chinese Academy of Sciences)
#2Jiu-yu Li (CAS: Chinese Academy of Sciences)H-Index: 10
Last.Peng Guan (CAS: Chinese Academy of Sciences)
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Abstract Soil acidification limits crop and pasture production and leads to the degradation of agroecosystems. The dissolution of aluminum (Al) in acidic soils can lead to Al toxicity towards plants depending on the species of Al present, and can decrease crop yield. Different organic materials have been suggested to alleviate Al toxicity and increase the yields of important crops such as sweet potato (Ipomoea batatas L.). Therefore, soil solution was collected from different treatments in a fie...
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#1Man Liu (China University of Geosciences)H-Index: 3
#2Guilin Han (China University of Geosciences)H-Index: 3
Last.Qian Zhang (China University of Geosciences)
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Abstract Soil organic carbon (SOC) storage and stabilization under land-use change, including agricultural abandonment, are critical for the recuperation of soil productivity and feedback to climate change. A space-for-time substitution approach was applied to investigate the responses of soil aggregation, SOC storage and stabilization to agricultural abandonment in a small karst catchment in Southwest China. Soil aggregate distribution, SOC concentration and δ13C composition in bulk soils and d...
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#1David M. Oliver (University of Stirling)H-Index: 20
#2Ying Zheng (Glas.: University of Glasgow)H-Index: 1
Last.Tao Peng (CAS: Chinese Academy of Sciences)
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Abstract Worldwide, karst terrain is highly sensitive to human activity due to extensive areas of thin soil and rapid water flow to groundwater. In the southwest China karst region, poor farming decisions can promote land degradation and reduce water quality with negative consequences for livelihoods in a region where farmers already suffer from the highest national poverty rates. Targeting management advice to farmers through knowledge exchange and decision support can help alleviate land use i...
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#1Renan Macedo (UFLA: Universidade Federal de Lavras)H-Index: 1
#2Lívia Dorneles Audino (UFLA: Universidade Federal de Lavras)H-Index: 6
Last.Julio Louzada (UFLA: Universidade Federal de Lavras)H-Index: 24
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Abstract Replacing native savannas with exotic pastures not only alters vegetation structure, but it also increases herbivorous cattle dung quantity consequently changing the food resource available for dung beetles. Therefore, this study aims at investigating the relative importance of vegetation structure regarding food resource types to determine dung beetle assemblage in Cerrado savannas and exotic pastures. We carried out a sampling of dung beetles in 30 areas of Cerrado sensu stricto and 3...
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Abstract Grasslands cover more than a third of the European agricultural area and are often intensively managed to support the livestock-farming sector. Despite grassland intensification can greatly influence soil carbon (C) cycling, changes in soil C stocks both across years and at increasing soil depths remain difficult to quantify simultaneously. Here we measured spatial and temporal changes in soil C stocks to assess C stocks’ response to intensive grassland management. We measured soil C st...
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#1A.M. Costa (University of Évora)H-Index: 7
#2Bruno Silva (University of Évora)H-Index: 1
Last.José M. Herrera (University of Évora)H-Index: 11
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Abstract Crop production intensification often leads to the structural simplification of production systems. This structural simplification is expected to have strong impacts on biodiversity and the provisioning of ecosystem services, but information about this topic is scarce. For instance, no information exists for Mediterranean olive (Olea europaea) groves, despite olive farming representing a significant share of the agricultural sector in some European countries. We investigated the impact ...
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#1Shikui Dong (BNU: Beijing Normal University)H-Index: 12
#2Zhanhuan Shang (Lanzhou University)H-Index: 16
Last.Randall B. Boone (CSU: Colorado State University)H-Index: 28
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Abstract The grassland ecosystems cover above 60% of Qinghai-Tibetan Plateau (QTP) and provide important ecosystem services and functions at local and regional scales. However, both anthropogenic and non-anthropogenic disturbances are challenging the sustainability of the QTP’s grassland ecosystems in the era of global change. In this review paper, we summarized the causes and effects of grassland degradation, restoration practices used on degraded grasslands, impacts of climate change and nitro...
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#1Heidi E. J. van Vliet (York University)H-Index: 1
#2Bridget J. M. Stutchbury (York University)H-Index: 37
Last.D. Ryan Norris (Nature Conservancy of Canada)H-Index: 32
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Abstract Grassland birds are in decline worldwide and one hypothesis for this decline is habitat loss and degradation through agricultural intensification. The purpose of this study is to investigate the impacts of agriculture on a declining grassland bird, the Savannah Sparrow (Passerculus sandwichensis). Over two breeding seasons nests were located and monitored, adults and nestlings were measured to assess body condition, and fledglings were radio tracked to quantify survival between agricult...
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#1Antonio Archidona-Yuste (CSIC: Spanish National Research Council)H-Index: 8
#2Thorsten Wiegand (Helmholtz Centre for Environmental Research - UFZ)H-Index: 49
Last.Juan A. Navas-Cortés (CSIC: Spanish National Research Council)H-Index: 23
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Abstract Numerous studies have documented the distribution of plant and animal communities with respect to spatial structure; however, relatively little is known about the involvement of spatial structures in the diversity of soil organisms such as plant-parasitic nematodes (PPN). Host plants such as olive trees are of particular interest because they host a large number of PPN and have a high economic and cultural importance. In this study, we investigated how different aspects of the environme...
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