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result(s) for
"农业景观"
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野生动物友好型农业研究与实践进展
全球人口增长带来的粮食需求增加,导致农业用地不断扩张与农药化肥过量使用,这是造成野生动物生境丧失、破碎化及质量下降的主要原因之一。野生动物友好型农业(wildlife-friendly farming, WFF)作为一种新兴农业模式,为缓解农业发展与野生动物保护之间的矛盾提供了可行路径。本研究综述了国内外相关研究和实践经验,梳理了WFF的起源与概念,分析了其在实践中的进展,并详细阐述了通过改造农业景观为野生动物提供栖息地的多种策略、借助经济激励手段促进野生动物保护与控制农药化肥过度使用所形成的正反馈循环,以及野生动物智慧监测技术在WFF的应用前景,并总结了当前国内外WFF的经济和社会实践。尽管WFF在小范围内的成功案例已展现出明显优势,但在更广泛的实施过程中仍面临诸多挑战,包括农业景观中野生动物监测技术落后、欠缺对气候变化的考量,以及市场机制低效、政策支持和公众意识不足等。未来,WFF需充分利用人工智能监测设备、区块链等先进技术,增强其实际应用的可行性;应因地制宜,结合不同地理区域的生态与经济需求,在政策、经济和社会层面加强协调合作,以支持可持续农业和野生动物保护的协同目标,最终实现农业地区经济利益与野生动物保护的双赢。
Journal Article
遥感信息提取技术在农业生态景观规划中的应用
by
侯亮 吕军海 刘素英 王淑芬
in
农业生态景观规划
2013
结合遥感在相关研究应用中的优势及技术特点,分析了遥感信息提取技术在农业生态景观规划中的应用方法和思路.论述了此项技术在规划工作中的现实意义。
Journal Article
Pollinator diversity, pollination services, and conservation in agroecosystems: A mini‐review on the successes and challenges in China
by
An, Jiandong
,
Zou, Yi
,
Chester, Douglas
in
Agricultural ecosystems
,
agricultural landscape
,
Agricultural production
2024
Pollinators provide important pollination services for crops around the world. In China, numerous studies have been conducted on pollinators within agroecosystems, yet a comprehensive review of such research remains to be completed. This study discusses the existing knowledge of pollinator diversity in Chinese agroecosystems, examines the provision of pollination services, and identifies key achievements and limitations. We propose a series of conservation and management actions to promote pollinator health and ecosystem services in these agroecosystems: (1) long‐term monitoring of pollinator populations, (2) designing agricultural landscapes that are conducive to pollinators, and (3) implementing microscale habitat modifications to improve conditions for pollinators. 摘要 传粉昆虫为世界各地的农作物提供了重要的授粉服务。在中国,对农业生态系统中的传粉昆虫已经有了大量研究,但对这些研究的全面综述仍有待完成。本文讨论了现有的中国农业生态系统中传粉昆虫多样性的现有知识,探讨传粉昆虫提供的授粉服务,并指出主要成就和局限性。我们提出了一系列保护和管理行动,以促进这些农业生态系统中的授粉者健康和生态系统服务:(1)对传粉昆虫种群进行长期监测,(2) 设计有利于传粉昆虫的农业景观,以及 (3) 实施微观尺度的生境改造,以改善传粉昆虫的生存条件。【审阅:石晓宇】 While many pollinator studies have been conducted in China, more efforts are required to conservation pollinators and pollination services. Three proposed conservation interventions were proposed in this mini‐review, including long‐term pollinator monitoring plan, design suitable agricultural landscapes, and wildflower strips and bee hotels. Plain language summary Pollinators, such as bees and moths, are crucial for the pollination of crops globally. In China, significant research has been done on pollinators in agricultural settings but a comprehensive review of these studies is missing. This study examines the current research on pollinator diversity within Chinese agroecosystems and the vital pollination services these species provide for agricultural production. It also proposes a series of conservation and management strategies aimed at preserving pollinator diversity in China's agricultural landscapes. These include long‐term monitoring of insect pollinators, designing agricultural landscapes that support pollinators, and making small‐scale habitat changes to enhance their living conditions. 蜜蜂和飞蛾等传粉昆虫对于全球农作物的授粉至关重要。在中国,科研工作者对农业环境中的传粉昆虫进行了大量研究,但缺乏对这些研究的全面回顾。本研究回顾了中国农业生态系统内传粉昆虫多样性的最新研究以及这些物种为农业生产提供的重要授粉服务。我们还提出了一系列保护和管理策略,旨在保护中国农业景观中的传粉昆虫多样性。其中包括对昆虫传粉昆虫的长期监测,设计有益于传粉昆虫的农业景观,以及进行小尺度的栖息地改造以改善其生活条件。 Practitioner points While many studies have investigated pollinator diversity and pollination services, further research is necessary, particularly to gather data on pollinator functional traits. Implementing comprehensive conservation strategies is essential for improved pollinator health and ecosystem services within Chinese agroecosystems. Interdisciplinary collaboration among professionals, such as entomologists and agricultural scientists, is critical for effective pollinator conservation. 尽管目前许多研究已经调查了传粉昆虫多样性以及授粉服务,但还需要进一步的深入探索和积累,特别是收集传粉昆虫功能性状的数据。 实施全面的保护策略对于改善中国农业生态系统内的传粉昆虫健康和生态系统服务至关重要。 昆虫学家和农业科学家等专业人士之间的跨学科合作对于有效保护传粉昆虫非常重要。
Journal Article
Landscape changes have greater effects than climate changes on six insect pests in China
2016
In recent years, global changes are the major causes of frequent, widespread outbreaks of pests in mosaic landscapes, which have received substantial attention worldwide. We collected data on global changes(landscape and climate) and economic damage caused by six main insect pests during 1951–2010 in China. Landscape changes had significant effects on all six insect pests. Pest damage increased significantly with increasing arable land area in agricultural landscapes. However, climate changes had no effect on damage caused by pests, except for the rice leaf roller(Cnaphalocrocis medinalis Guenee) and armyworm(Mythimna separate(Walker)), which caused less damage to crops with increasing mean temperature. Our results indicate that there is slight evidence of possible offset effects of climate changes on the increasing damage from these two agricultural pests. Landscape changes have caused serious outbreaks of several species, which suggests the possibility of the use of landscape design for the control of pest populations through habitat rearrangement. Landscape manipulation may be used as a green method to achieve sustainable pest management with minimal use of insecticides and herbicides.
Journal Article
Natural enemies depend on remnant habitat size in agricultural landscapes
by
Mainara Xavier Jordani Erica Hasui Vinícius Xavier da Silva
in
Agricultural land
,
Analysis
,
Biodiversity
2015
In recent decades,the consequences of habitat fragmentation have been of growing concern,because it is particularly important to understand how fragmentation may affect biodiversity,an ecological service.We tested two hypotheses:(1) that natural fragment size in agricultural landscapes indirectly affects the herbivore through effects on natural predator populations;and(2) predator activity into the crop reduces along the distance from the natural fragment edge.From 2008 and 2009,we conducted our study in seven forest remnants and in surrounding coffee plantations(fragments ranged from 6 to 105 ha,mean 49.28 ± 36.60 ha) in Southern Minas Gerais,Brazil.Birds were sampled by point counts,and insect predation was evaluated by using an artificial insect model(Koh and Menge 2006).Our results suggest that although there were many potential predators(e.g.,wasps,ants,birds,and mammals),birds were the most important taxon unit.The covariance analysis supported the hypothesis that patch size affected the number of larvae predation by overall taxi,but there was no support for a distance effect.These findings suggest that natural enemies’ ecological service(mainly from birds) declined with remnant reduction,which has implications not only for human welfare,but also in strengthening the economic justifications for conserving the remaining natural habitats and biodiversity in agricultural landscapes.
Journal Article
Regional agricultural landscape pattern changes along the Yellow River in Henan Province from 1987 to 2002
by
LIANG Guofu DING Shengyan LI Zhiheng
in
Agricultural land
,
Bgi / Prodig
,
Cartography, space figuration
2005
Agricultural landscape along the riparian zones is designated as important landscape components for partly controlling water quality, biodiversity, as well as for their aesthetic role in landscapes. Therefore, the change of agricultural landscape along the riparian zones is at the top of the agenda for many policy makers and landscape planners. As a basis for conservation management, sufficient information about landscape structure should be provided. In the present study, we reconstructed the former landscape structure and elucidated the changes in landscape patterns during a period of about 15 years. Two sets of maps were used: a landsat-5 TM image (1987) and landsat-7 ETM image (2002). The frequency index, landscape diversity index and landscape fragmentation index were calculated for analyses. The results showed that: (1) the areas of the irrigated land, river, forest and beach landscape classes presented a decreasing trend while the areas of landscape classes of pool, paddy fields, dry land and construction land increased. (2) Disturbed by human activity, landscape diversity index increased but landscape fragmentation index decreased. In short, Human activities have had important influences on agricultural landscape of the riparian zones along the Yellow River in Henan Province.
Journal Article