Landscape Ecology最新文献

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Relative effects of arable land-use, farming system and agri-environment schemes on landscape-scale farmland bird assemblages 耕地使用、耕作制度和农业环境计划对景观尺度农田鸟类群落的相对影响

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-29 DOI: 10.1007/s10980-024-01906-z

Laura Bosco, Aleksi Lehikoinen, Markus Piha, Tuomas Seimola, Juha Tiainen, Johan Ekroos

Context

Farmland biodiversity has been declining because of agricultural intensification and landscape simplification. Many farmland birds breeding in non-crop habitats use arable land as their feeding habitat (and vice versa) and understanding habitat composition and configuration at the landscape scale is important for their conservation.

Objectives

We explored the relationship between farmland bird densities and land-use characteristics at a landscape-scale (mean size 235 ha) to reveal the most important land-use elements driving avian farmland abundance.

Methods

We used bird territory mapping from 36 study landscapes across Finland to study relationships between densities of total farmland birds, open field species, edge species, farmyard species, and Farmland Bird Indicator (FBI) species, and multiple descriptors of the composition and configuration of the study landscape mosaics, reflecting the full range of available crop types, farmland structures, non-crop habitat types, and soil type.

Results

Densities of farmland birds increased with greater areas of leys and pastures, subsidized grasslands, habitat diversity, and farmyards with animals, and those effects were consistently stronger compared to effects of non-crop habitats. Positive effects of the relative area of leys and pastures in the landscape was most often consistent in the species-specific models, whereas species-level responses to other landscape characteristics were idiosyncratic, reflecting the variety of the species’ ecologies and habitat requirements.

Conclusions

We demonstrate that overall habitat diversity, and habitat elements like subsidized grasslands, pastures, and farmsteads with animal production support higher bird diversity at the level of landscape mosaics. Our results suggest that studies based on field-scale study units need to be complemented with landscape-scale studies to reveal a holistic understanding of land-use intervention impacts on farmland birds.

背景由于农业集约化和景观简化，农田生物多样性不断减少。我们探讨了景观尺度（平均面积为 235 公顷）上农田鸟类密度与土地利用特征之间的关系，以揭示驱动农田鸟类丰度的最重要的土地利用要素。方法我们利用芬兰 36 个研究景观的鸟类领地分布图，研究了农田鸟类总数、空地物种、边缘物种、农田物种和农田鸟类指标（FBI）物种的密度与研究景观镶嵌的组成和配置的多个描述因子之间的关系，这些描述因子反映了所有可用的作物类型、农田结构、非作物栖息地类型和土壤类型。结果农田鸟类的密度随着leys和牧场、补贴草地、栖息地多样性和有动物的农田面积的增加而增加，与非作物栖息地的影响相比，农田鸟类的影响更强。在物种特异性模型中，景观中牧场和草场相对面积的积极影响最为常见，而物种对其他景观特征的反应则具有特异性，反映了物种生态和栖息地要求的多样性。我们的研究结果表明，基于田野尺度研究单元的研究需要辅以景观尺度研究，以全面了解土地利用干预对农田鸟类的影响。

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引用次数: 0

New criteria for sustainable land use planning of metropolitan green infrastructures in the tropical Andes 热带安第斯山脉大都市绿色基础设施可持续土地利用规划的新标准

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-28 DOI: 10.1007/s10980-024-01911-2

María José LaRota-Aguilera, Emmanuel Zapata-Caldas, Oscar Buitrago-Bermúdez, Joan Marull

Context

Urbanization is rapidly increasing worldwide, with about 60% of the global population currently residing in cities and expected to reach 68% by 2050. In Latin America's tropical Andes region, managing these changes poses challenges, including biodiversity loss and vulnerability to climate change.

Objectives

This study assesses urban growth and agricultural intensification impacts on the ecological functionality of metropolitan green infrastructures and their capacity to provide ecosystem services using a landscape sustainability and sociometabolic approach. Specifically, it aims to identify landscape configurations promoting socio-ecological sustainability amidst rapid urbanization.

Methods

A landscape-metabolic model (IDC) was applied to evaluate the interactions between land use changes and ecosystem functions in the metropolitan region of Cali.

Results

Agricultural intensification and industrialization, coupled with uncontrolled urban growth, have significantly transformed the landscape, posing threats to its sustainability. The prevailing biocultural landscapes hold a substantial potential to provide essential ecosystem services to the metropolis. The IDC offers an approach that utilizes a land cover map and agricultural production/metabolism data to calculate an indicator closely related to ecosystem services and multifunctionality.

Conclusions

The IDC model stands out for efficiently capturing landscape dynamics, providing insights into landscape configuration and social metabolism without extensive resource requirements. This research highlights the importance of adopting a landscape-metabolic and green infrastructure framework to guide territorial policies in the tropical Andes and similar regions. It stresses the need for informed land use planning to address challenges and leverage opportunities presented by biocultural landscapes for regional sustainability amidst rapid urbanization and agricultural expansion.

背景城市化在全球范围内迅速发展，目前全球约有 60% 的人口居住在城市，预计到 2050 年将达到 68%。本研究采用景观可持续性和社会计量代谢方法，评估城市增长和农业集约化对大都市绿色基础设施的生态功能及其提供生态系统服务能力的影响。具体而言，该研究旨在确定在快速城市化过程中促进社会生态可持续性的景观配置。结果农业集约化和工业化，加上无节制的城市增长，极大地改变了景观，对其可持续性构成了威胁。现有的生物文化景观具有为大都市提供基本生态系统服务的巨大潜力。IDC 提供了一种利用土地覆被图和农业生产/代谢数据来计算与生态系统服务和多功能性密切相关的指标的方法。这项研究强调了在热带安第斯山脉和类似地区采用景观代谢和绿色基础设施框架来指导领土政策的重要性。它强调了在快速城市化和农业扩张的过程中，有必要进行知情的土地利用规划，以应对生物文化景观带来的挑战并利用其机遇促进地区的可持续发展。

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引用次数: 0

Time-lag effects of habitat loss, but not fragmentation, on deadwood-dwelling lichens 栖息地丧失（而非破碎化）对枯木栖息地草本植物的时滞效应

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-28 DOI: 10.1007/s10980-024-01910-3

Aino Hämäläinen, Lenore Fahrig

Context

Landscape habitat amount is known to increase biodiversity, while the effects of habitat fragmentation are still debated. It has been suggested that negative fragmentation effects may occur with a time lag, which could explain inconsistent results. However, there is so far no empirical support for this idea.

Objectives

We evaluated whether habitat amount and fragmentation at the landscape scale affect the species density of deadwood-dwelling lichens, and whether these effects occur with a time lag.

Methods

We surveyed deadwood-dwelling lichens in woodland key habitats in two regions in northern Sweden, and modelled their species density as a function of past (1960s) and present (2010s) habitat amount (old forest area) and fragmentation (edge density) in the surrounding landscapes.

Results

Present habitat amount generally had weak positive effects on lichen species density. Positive effects of the past habitat amount were stronger, indicating a time lag in habitat amount effects. Habitat fragmentation effects were generally weak and similar whether fragmentation was measured in the past or the present landscapes, indicating no time lag in fragmentation effects.

Conclusions

We found a time lag effect of habitat amount, but not fragmentation. This result is not consistent with suggestions that time lags explain the mixed observations of fragmentation effects. Time-lag effects of habitat amount suggest that the studied lichen communities face an extinction debt. Conservation should therefore prioritize increasing the amount of old forest, for example by creating forest reserves, to maintain the current lichen diversity. More generally, our results imply that studies examining only the present habitat amount risk under-estimating its importance.

背景众所周知，景观栖息地数量可增加生物多样性，而栖息地破碎化的影响仍存在争议。有观点认为，片段化的负面影响可能会随着时间的推移而发生，这可以解释不一致的结果。我们评估了景观尺度上的栖息地数量和破碎化是否会影响枯木栖息地草本植物的物种密度，以及这些影响是否会出现时间差。方法我们调查了瑞典北部两个地区林地主要栖息地中的枯木栖息地草本植物，并将其物种密度与周围景观中过去（20 世纪 60 年代）和现在（2010 年代）的栖息地数量（老林区）和破碎化程度（边缘密度）建立了模型。过去的栖息地数量对地衣物种密度的正面影响较强，表明栖息地数量的影响存在时滞。栖息地破碎化效应一般较弱，而且无论是在过去还是现在的景观中测量破碎化程度，其效应都相似，这表明破碎化效应没有时滞。这一结果与认为时间滞后可以解释破碎化效应的混合观测结果的观点不一致。栖息地数量的时滞效应表明，所研究的地衣群落面临着灭绝债务。因此，保护工作应优先考虑增加古老森林的数量，例如建立森林保护区，以维持当前的地衣多样性。更广泛地说，我们的研究结果表明，仅研究目前的栖息地数量可能会低估其重要性。

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引用次数: 0

Behavioral state-dependent selection of roads by guanacos 鬣羚根据行为状态选择道路

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-27 DOI: 10.1007/s10980-024-01909-w

Mitchell W. Serota, Pablo A. E. Alarcón, Emiliano Donadio, Arthur D. Middleton

Context

Widespread globally, roads impact the distribution of wildlife by influencing habitat use and avoidance patterns near roadways and disrupting movement across them. Wildlife responses to roads are known to vary across species; however within species, the response to roads may depend on the season or the individual’s behavioral state.

Objectives

We assess the movement behavior and space use of the most widespread large herbivore in Patagonia, the guanaco (Lama guanicoe). We estimated the preference or avoidance to paved or unpaved roads (the proximity effect) and the preference or avoidance to traverse them (the crossing effect).

Methods

Using GPS collar data, we combined Hidden Markov Models with an integrated step selection analysis to segment guanaco movement trajectories into individual behaviors and test for differences in road effects on movement.

Results

We found that guanacos display distinct movement responses to different types of roads depending on their behavioral state. Guanacos select for proximity to paved roads while foraging, but against them when traveling. Yet, guanacos select for unpaved roads when traveling. Despite the selection for proximity to paved roads, guanacos avoid crossing them, irrespective of their behavioral state.

Conclusion

Our findings offer significant implications for guanaco distribution and management across Patagonia. The selection for roads strongly influences the distribution of guanacos, which could concentrate grazing in some areas while freeing others. Despite potential benefits such as increased vegetation near roadsides, increased association with roads while foraging may result in an ecological trap. Finally, the strong aversion to crossing paved roads raises concerns about habitat loss and connectivity.

背景在全球范围内，道路通过影响栖息地的使用和避开道路附近的模式以及干扰穿越道路的行动，对野生动物的分布产生影响。众所周知，野生动物对道路的反应因物种而异；但在物种内部，对道路的反应可能取决于季节或个体的行为状态。目标我们评估了巴塔哥尼亚地区最广泛分布的大型食草动物--番牛科动物（Lama guanicoe）的移动行为和空间利用。方法利用 GPS 颈圈数据，我们将隐马尔可夫模型与综合阶跃选择分析相结合，将观鸟的运动轨迹划分为个体行为，并检验道路对运动影响的差异。结果我们发现，观鸟根据其行为状态对不同类型的道路表现出不同的运动反应。驼鸟在觅食时会选择靠近铺设好的道路，而在行进时则会反对靠近铺设好的道路。然而，疣羚在行进时会选择未铺设路面的道路。结论：我们的研究结果对巴塔哥尼亚地区观鸟的分布和管理具有重要意义。对道路的选择极大地影响了瓜纳科鸟的分布，这可能会使一些地区集中放牧，而另一些地区则可以自由放牧。尽管有潜在的好处，如增加路边的植被，但觅食时与道路的更多联系可能会导致生态陷阱。最后，关东羚对穿越铺设好的道路的强烈反感引发了对栖息地丧失和连通性的担忧。

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引用次数: 0

Correction: Inferring future changes in gene flow under climate change in rivers capes: a pilot case study in fluvial sculpin 更正：推断河流岬角在气候变化下基因流的未来变化：河口鲭的试点案例研究

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-27 DOI: 10.1007/s10980-024-01904-1

Souta Nakajima, Hiroaki Suzuki, Makoto Nakatsugawa, Ayumi Matsuo, Shun K. Hirota, Yoshihisa Suyama, Futoshi Nakamura

引用次数: 0

Structural heterogeneity predicts ecological resistance and resilience to wildfire in arid shrublands 结构异质性预示着干旱灌木林地对野火的生态抵抗力和恢复力

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-24 DOI: 10.1007/s10980-024-01901-4

A. Zaiats, M. Cattau, D. Pilliod, Rongsong Liu, Patricia Kaye T. Dumandan, Ahmad Hojatimalekshah, Donna M. Delparte, T. Caughlin

引用次数: 0

Different impacts of urbanization on ecosystem services supply and demand across old, new and non-urban areas in the ChangZhuTan urban agglomeration, China 城市化对中国长株潭城市群老城区、新城区和非城区生态系统服务供需的不同影响

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-21 DOI: 10.1007/s10980-024-01900-5

Jiayu Li, Jing Wang, Weiqi Zhou

引用次数: 0

Machine learning allows for large-scale habitat prediction of a wide-ranging carnivore across diverse ecoregions 通过机器学习，可对一种食肉动物在不同生态区域的栖息地进行大规模预测

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-15 DOI: 10.1007/s10980-024-01903-2

W. C. O’Malley, L. Elbroch, Katherine A. Zeller, Paul Beier, Meghan M. Beale, R. Beausoleil, Brian N. Kertson, Kyle Knopff, Kryan Kunkel, Benjamin T. Maletzke, Quinton Martins, M. Matchett, C. Wilmers, H. Wittmer, Winston Vickers, Kim Sager-Fradkin, H. Robinson

引用次数: 0

Correction to: Genetic signals of local adaptation in a desert rodent that occupies diverse climates and plant communities 更正为沙漠啮齿动物适应不同气候和植物群落的遗传信号

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-07 DOI: 10.1007/s10980-024-01884-2

Keaka Farleigh, Tereza Jezkova

引用次数: 0

From past habitats to present threats: tracing North American weasel distributions through a century of climate and land use change 从过去的栖息地到现在的威胁：通过一个世纪的气候和土地利用变化追踪北美黄鼠狼的分布情况

IF 5.2 2区环境科学与生态学 Q1 Social Sciences

Landscape Ecology

Pub Date : 2024-05-03 DOI: 10.1007/s10980-024-01902-3

Amanda E. Cheeseman, David S. Jachowski, Roland Kays

Context

Shifts in climate and land use have dramatically reshaped ecosystems, impacting the distribution and status of wildlife populations. For many species, data gaps limit inference regarding population trends and links to environmental change. This deficiency hinders our ability to enact meaningful conservation measures to protect at risk species.

Objectives

We investigated historical drivers of environmental niche change for three North American weasel species (American ermine, least weasel, and long-tailed weasel) to understand their response to environmental change.

Methods

Using species occurrence records and corresponding environmental data, we developed species-specific environmental niche models for the contiguous United States (1938–2021). We generated annual hindcasted predictions of the species’ environmental niche, assessing changes in distribution, area, and fragmentation in response to environmental change.

Results

We identified a 54% decline in suitable habitat alongside high levels of fragmentation for least weasels and region-specific trends for American ermine and long-tailed weasels; declines in the West and increased suitability in the East. Climate and land use were important predictors of the environmental niche for all species. Changes in habitat amount and distribution reflected widespread land use changes over the past century while declines in southern and low-elevation areas are consistent with impacts from climatic change.

Conclusions

Our models uncovered land use and climatic change as potential historic drivers of population change for North American weasels and provide a basis for management recommendations and targeted survey efforts. We identified potentially at-risk populations and a need for landscape-level planning to support weasel populations amid ongoing environmental changes.

背景气候和土地利用的变化极大地改变了生态系统，影响了野生动物种群的分布和状况。对于许多物种来说，数据缺口限制了对种群趋势以及与环境变化之间联系的推断。我们调查了三种北美黄鼬（美洲狐鼬、小黄鼬和长尾黄鼬）环境生态位变化的历史驱动因素，以了解它们对环境变化的反应。方法利用物种出现记录和相应的环境数据，我们为美国毗连地区（1938-2021 年）开发了特定物种的环境生态位模型。结果我们发现最小黄鼠狼的适宜栖息地减少了 54%，同时破碎化程度较高；美洲朱鼠和长尾黄鼠狼的适宜栖息地呈地区性趋势；西部地区适宜栖息地减少，东部地区适宜栖息地增加。气候和土地利用是预测所有物种环境生态位的重要因素。栖息地数量和分布的变化反映了过去一个世纪中广泛的土地利用变化，而南部和低海拔地区栖息地数量的减少与气候变化的影响是一致的。我们发现了潜在的濒危种群，以及在持续的环境变化中支持黄鼠狼种群的景观规划需求。

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