BIODESERT调查:评估放牧对全球旱地结构和功能的影响

IF 2.3 3区 环境科学与生态学 Q2 ECOLOGY Web Ecology Pub Date : 2022-11-24 DOI:10.5194/we-22-75-2022
Fernando T. Maestre, David J. Eldridge, Nicolas Gross, Yoann Le Bagousse-Pinguet, Hugo Saiz, Beatriz Gozalo, Victoria Ochoa, Juan J. Gaitán
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引用次数: 0

摘要

家畜放牧既是全球旱地的主要土地利用方式,也是荒漠化和全球变化的主要驱动因素。这一关键人类活动的生态后果已经研究了几十年,关于其对生物多样性和生态系统过程的影响有丰富的信息。然而,迄今为止,对旱地放牧生态影响的大多数实地评估都是在地方或区域尺度上进行的,并且侧重于单一的生态系统属性(例如:(如植物生产力)或特定的分类群(主要是地上的,如植物)。在此,我们介绍了BIODESERT调查,这是第一个致力于评估家畜放牧和气候对全球旱地生态系统结构和功能共同影响的系统野外调查。这项全球合作调查于2016年至2019年期间进行,涉及从6大洲25个国家的98个地点共326个45米× 45米的地块收集现场数据和植物、生物结皮和土壤样本。在这里,我们描述了调查中使用的主要特征和现场协议。我们还介绍了以下组织方面,因为这些可以帮助每个希望建立全球研究人员合作网络的人。BIODESERTsurvey提供了基线数据,以评估全球旱地的现状和放牧对这些关键生态系统的影响,它构成了一个很好的例子,说明合作研究网络的力量,利用急需的实地数据来研究我们星球的生态。
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The BIODESERT survey: assessing the impacts of grazing on the structure and functioning of global drylands
Grazing by domestic livestock is both the main land use across drylands worldwide and a major desertification and global change driver. The ecological consequences of this key human activity have been studied for decades, and there is a wealth of information on its impacts on biodiversity and ecosystem processes. However, most field assessments of the ecological impacts of grazing on drylands conducted to date have been carried out at local or regional scales and have focused on single ecosystem attributes (e.g., plant productivity) or particular taxa (mainly aboveground, e.g., plants). Here we introduce the BIODESERT survey, the first systematic field survey devoted to evaluating the joint impacts of grazing by domestic livestock and climate on the structure and functioning of dryland ecosystems worldwide. This collaborative global survey was carried out between 2016 and 2019 and has involved the collection of field data and plant, biocrust, and soil samples from a total of 326 45 m × 45 m plots from 98 sites located in 25 countries from 6 continents. Here we describe the major characteristics and the field protocols used in this survey. We also introduce the organizational aspects followed, as these can be helpful to everyone wishing to establish a global collaborative network of researchers. The BIODESERT survey provides baseline data to assess the current status of dryland rangelands worldwide and the impacts of grazing on these key ecosystems, and it constitutes a good example of the power of collaborative research networks to study the ecology of our planet using much-needed field data.
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来源期刊
Web Ecology
Web Ecology Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
4.60
自引率
0.00%
发文量
6
审稿时长
17 weeks
期刊介绍: Web Ecology (WE) is an open-access journal issued by the European Ecological Federation (EEF) representing the ecological societies within Europe and associated members. Its special value is to serve as a publication forum for national ecological societies that do not maintain their own society journal. Web Ecology publishes papers from all fields of ecology without any geographic restriction. It is a forum to communicate results of experimental, theoretical, and descriptive studies of general interest to an international audience. Original contributions, short communications, and reviews on ecological research on all kinds of organisms and ecosystems are welcome as well as papers that express emerging ideas and concepts with a sound scientific background.
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