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Seasonal bee communities vary in their responses to resources at local and landscape scales: implication for land managers 季节性蜜蜂群落在地方和景观尺度上对资源的反应各不相同:对土地管理者的影响
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-27 DOI: 10.1007/s10980-024-01895-z
Melanie Kammerer, Aaron L. Iverson, Kevin Li, John F. Tooker, Christina M. Grozinger

Context

There is great interest in land management practices for pollinators; however, a quantitative comparison of landscape and local effects on bee communities is necessary to determine if adding small habitat patches can increase bee abundance or species richness. The value of increasing floral abundance at a site is undoubtedly influenced by the phenology and magnitude of floral resources in the landscape, but due to the complexity of measuring landscape-scale resources, these factors have been understudied.

Objectives

To address this knowledge gap, we quantified the relative importance of local versus landscape scale resources for bee communities, identified the most important metrics of local and landscape quality, and evaluated how these relationships vary with season.

Methods

We studied season-specific relationships between local and landscape quality and wild-bee communities at 33 sites in the Finger Lakes region of New York, USA. We paired site surveys of wild bees, plants, and soil characteristics with a multi-dimensional assessment of landscape composition, configuration, insecticide toxic load, and a spatio-temporal evaluation of floral resources at local and landscape scales.

Results

We found that the most relevant spatial scale and landscape factor varied by season. Early-season bee communities responded primarily to landscape resources, including the presence of flowering trees and wetland habitats. In contrast, mid to late-season bee communities were more influenced by local conditions, though bee diversity was negatively impacted when sites were embedded in highly agricultural landscapes. Soil composition had complex impacts on bee communities, and likely reflects effects on plant community flowering.

Conclusions

Early-season bees can be supported by adding flowering trees and wetlands, while mid to late-season bees can be supported by local addition of summer and fall flowering plants. Sites embedded in landscapes with a greater proportion of natural areas will host a greater bee species diversity.

背景人们对授粉昆虫的土地管理措施非常感兴趣;然而,有必要对景观和地方对蜜蜂群落的影响进行定量比较,以确定增加小块栖息地是否能提高蜜蜂的丰度或物种丰富度。增加一个地点的花卉丰度的价值无疑受到景观中花卉资源的物候和规模的影响,但由于测量景观尺度资源的复杂性,这些因素一直未得到充分研究。为了填补这一知识空白,我们量化了当地与景观尺度资源对蜜蜂群落的相对重要性,确定了当地和景观质量的最重要指标,并评估了这些关系如何随季节而变化。方法 我们在美国纽约手指湖地区的 33 个地点研究了当地和景观质量与野生蜜蜂群落之间特定季节的关系。我们将野生蜜蜂、植物和土壤特性的现场调查与景观组成、配置、杀虫剂毒性负荷的多维评估,以及当地和景观尺度的花卉资源时空评估配对进行。早季蜜蜂群落主要对景观资源做出反应,包括开花树木和湿地栖息地的存在。相比之下,中晚季蜜蜂群落更多地受到当地条件的影响,尽管当蜜蜂栖息地处于高度农业景观中时,蜜蜂的多样性会受到负面影响。土壤成分对蜜蜂群落的影响很复杂,很可能反映了对植物群落开花的影响。结论增加开花树木和湿地可支持早季蜜蜂,而在当地增加夏季和秋季开花植物可支持中晚季蜜蜂。自然区域比例较高的景观中的地点将容纳更多的蜜蜂物种。
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引用次数: 0
Unraveling the interplay between demography and landscape features in shaping connectivity and diversity: Insights from the leopard cat on a subtropical island 揭示人口与地貌特征在塑造连通性和多样性方面的相互作用:亚热带岛屿豹猫的启示
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-27 DOI: 10.1007/s10980-024-01894-0
Pei-Wei Sun, Chen Hsiao, Kurtis Jai-Chyi Pei, Yu-Hsiu Lin, Mei-Ting Chen, Po-Jen Chiang, Ling Wang, Dau-Jye Lu, Pei-Chun Liao, Yu-Ten Ju

Context

Elucidating how demography and contemporary landscape features regulate functional connectivity is crucial to implementing effective conservation strategies. We assessed the impacts of landscape features on the genetic variation of a locally endangered carnivore, the leopard cat (Prionailurus bengalensis) in Taiwan.

Objectives

We aim to evaluate the association between genetic structure and landscape features. We further predicted the changes in genetic diversity and suitable habitats in the future.

Methods

We genotyped 184 leopard cats in western Taiwan using 12 nuclear microsatellites and a mitochondrial marker. We applied a landscape optimization procedure with two genetic distances to identify major genetic barriers and employed ecological niche modeling to predict the future distribution of the leopard cat.

Results

Bayesian demographic inferences revealed a dramatic population decline for all leopard cat populations in Taiwan. Genetic clustering and resistance surface modeling supported that the population connectivity was influenced by highways and high elevation. Niche modeling indicated low temperature was one of the primary factors limiting the occurrence of leopard cats that may inhibit their movement in high elevations. We predicted the suitable habitats of leopard cats would shrink northward and towards higher altitudes with rugged topography in response to global warming.

Conclusions

Our study provided genetic evidence that leopard cats in Taiwan had undergone a dramatic population decline that may be associated with anthropogenic impacts. We also inferred the anthropogenic linear feature compromised the connectivity and persistence of leopard cats in human-mediated landscapes. Our finding serves as a model for landscape genetic studies of island carnivores in subtropical regions.

背景阐明人口和当代景观特征如何调节功能连接性对于实施有效的保护策略至关重要。我们评估了景观特征对台湾濒危食肉动物豹猫(Prionailurus bengalensis)遗传变异的影响。方法我们使用 12 个核微卫星和一个线粒体标记对台湾西部的 184 只豹猫进行了基因分型。结果贝叶斯人口学推断显示,台湾所有豹猫种群数量急剧下降。遗传聚类和阻力面建模表明,种群的连通性受到高速公路和高海拔的影响。利基模型表明,低温是限制豹猫出现的主要因素之一,它可能会抑制豹猫在高海拔地区的移动。我们预测,随着全球变暖,豹猫的适宜栖息地将向北缩减,并向地形崎岖的高海拔地区迁移。结论我们的研究提供了遗传学证据,证明台湾豹猫的种群数量急剧下降可能与人为影响有关。我们还推断,人为的线性特征损害了豹猫在人为景观中的连通性和持久性。我们的发现可作为亚热带地区岛屿食肉动物景观遗传研究的范例。
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引用次数: 0
Evaluation of landscape sustainability of protected areas and identification of its correlation factors: a case study of Beijing, China 保护区景观可持续性评价及其相关因素识别:中国北京案例研究
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-27 DOI: 10.1007/s10980-024-01872-6
Zhuo Lu, Youbo Zhuang, Yushu Zhang, Shujie Zhang

Context

Protected areas (PAs) serve as robust safeguards for the ecological safety of urban areas, and positively affect their socioeconomic development. However, limited research that integrates both ecological and socioeconomic aspects to evaluate the role of PAs.

Objectives

In this study, we aimed to establish an evaluation framework for PAs that applies the concept of landscape sustainability and integrates ecological and socioeconomic functions to enhance understanding of the role of PAs. Additionally, we aimed to develop analytical framework for identifying the correlation elements of landscape sustainability of protected areas (PA-LS) and improving the understanding of the mechanisms underlying PAs.

Methods

This study focused on 38 PAs in Beijing, China. We established the PA-LS evaluation framework to evaluate the role of PAs by analyzing changes in their overall landscape services from 2000 to 2019, and in ecological and socioeconomic functions. Subsequently, an analytical framework was established to identify the correlation factors of PA-LS, focusing on four aspects: the fundamental characteristics of PAs, landscape patterns of PAs, impact of urban areas on PAs, and human well-being within a 5 km buffer of PAs.

Results

The landscape sustainability evaluation of Beijings’ PAs revealed that 30 PAs (78.95% of the total) were strongly sustainable, eight (21.05%) were weakly sustainable, and none unsustainable. The results revealed that there was a positive correlation between several factors and PA-LS, including the density of the road network within a 1 km buffer of the PAs and the economic income and employment rate within a 5 km buffer of the PAs. Conversely, there was a negative correlation between one factor and PA-LS, its the distance between PAs and the urban center. Other factors, such as the category, area, classification of PAs, SHDI (ecological land), ED, LPI (forest) of PAs, and population density and residents’ health within a 5 km buffer of the PAs, were unrelated to PA-LS.

Conclusions

This study established a PA-LS evaluation framework and its correlation factor analytical framework, which significantly contributes to enhancing the value cognition of PAs and enriching landscape-sustainability evaluation methods. Furthermore, the study provides valuable support and serves as a reference for the conservation and management of PAs in Beijing and similar metropolitan cities.

背景保护区(PAs)是城市地区生态安全的有力保障,并对其社会经济发展产生积极影响。本研究旨在建立一个应用景观可持续性概念的保护区评价框架,并将生态功能和社会经济功能结合起来,以加深对保护区作用的理解。此外,我们还旨在建立分析框架,以确定保护区景观可持续性(PA-LS)的相关要素,并加深对保护区内在机制的理解。我们建立了PA-LS评估框架,通过分析2000-2019年保护区整体景观服务、生态和社会经济功能的变化来评估保护区的作用。结果 北京市保护区景观可持续性评价结果显示,30 个保护区(占总数的 78.95%)具有较强的可持续性,8 个保护区(占总数的 21.05%)具有较弱的可持续性,没有保护区不可持续。研究结果表明,保护区可持续程度与多个因素之间存在正相关关系,其中包括保护区 1 公里缓冲区内的道路网密度以及保护区 5 公里缓冲区内的经济收入和就业率。相反,有一个因素与 PA-LS 呈负相关,即保护区与城市中心的距离。其他因素,如保护区的类别、面积、分类,保护区的 SHDI(生态用地)、ED、LPI(森林),以及保护区 5 km 缓冲区内的人口密度和居民健康状况等,均与保护区-可持续发展不相关。此外,本研究还为北京及类似大都市的保护区保护和管理提供了有价值的支持和参考。
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引用次数: 0
Big cats persisting in human-dominated landscape: Habitat suitability and connectivity of leopards in central North China 大型猫科动物在人类主导的地貌中的生存:华北中部豹类的栖息地适宜性和连通性
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-23 DOI: 10.1007/s10980-024-01896-y
Yidan Wang, Mingzhang Liu, Fan Xia, Yiqing Wang, Dazhao Song, Yanlin Liu, Sheng Li

Context

The leopard (Panthera pardus), the only large carnivore species occurring in central North China, has undergone substantial range contraction and population decline due to anthropogenic pressure across the region.

Objectives

In this study, we aimed to map its current suitable habitats and assess the degree of connectivity between core habitats to inform future conservation planning of this big cat at the landscape scale.

Methods

We conducted this study in central North China (34°11´ ~ 43°49´N, 103°11´ ~ 123°54´E, about 936,000 km2). We collected occurrence locations (N = 196) of leopards from 2014–2020, and modeled its habitat suitability using an “ensemble” species distribution model by incorporating environmental and anthropogenic variables. We then identified the potential dispersal corridors between core habitat patches (≥ 100 km2) through connectivity analysis.

Results

The leopards preferred humid forests at higher elevations with less human disturbance. Their suitable habitats were highly fragmented, with main core habitats located in Shanxi, Shaanxi, and the border between Gansu and Ningxia provinces. Among all the 8,679 km2 suitable habitats, we identified 14 core habitats (139–1,084 km2, mean = 495.21 km2) with a total area of 6,933 km2, among which only 25.26% (1,751 km2) are covered by nature reserves and only 11 core habitats were confirmed with leopard occurrence. We also identified 8 least-cost pathways among these core habitats with an average length of 57.22 km.

Conclusions

Our results revealed that, leopards are persisting in highly fragmented habitats with fragile connectivity among core habitats. The leopards remaining in North China should be considered and managed as a regional meta-population for their long-term persistence in the human-dominated landscape.

背景金钱豹(Panthera pardus)是华北中部地区唯一的大型食肉动物,由于整个地区的人为压力,金钱豹的活动范围大幅缩小,种群数量急剧下降。方法 我们在华北中部(34°11´ ~ 43°49´N,103°11´ ~ 123°54´E,约 936,000 平方公里)开展了这项研究。我们收集了豹在 2014-2020 年间的出现地点(N = 196),并结合环境和人为变量,使用 "集合 "物种分布模型对其栖息地适宜性进行了建模。然后,我们通过连通性分析确定了核心栖息地斑块(≥ 100 平方公里)之间的潜在扩散走廊。其适宜栖息地高度破碎化,主要核心栖息地位于山西、陕西以及甘肃和宁夏两省交界处。在8679平方千米的适宜栖息地中,我们确定了14个核心栖息地(139-1084平方千米,平均=495.21平方千米),总面积为6933平方千米,其中自然保护区覆盖率仅为25.26%(1751平方千米),只有11个核心栖息地确认有金钱豹出现。我们还确定了这些核心栖息地之间的 8 条最低成本路径,平均长度为 57.22 千米。华北地区残存的豹子应被视为一个区域性的元种群并加以管理,以确保其在人类主导的景观中长期生存。
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引用次数: 0
Beta diversity partitioning reveals homogenization in bird community composition within the forest-agriculture landscape of the northern Taiwan coast 贝塔多样性分区揭示了台湾北部沿海森林-农业景观中鸟类群落组成的同质性
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-22 DOI: 10.1007/s10980-024-01888-y
Yu-Ting Shih, Hsiang-Hua Wang, Shu-Wei Fu, Sheng-Hsin Su, Chao-Nien Koh

Context

This study examined how human-induced landscape changes affected bird diversity in mountain villages with mixed forests and cultivated fields.

Objectives

We focused on the bird species composition (beta diversity) to determine whether species homogenization varied with forest cover differences. This study developed it as a novel metric potentially quantifying homogenization level comparison in species functional groups.

Methods

Bird surveys were conducted at 27 sites with forest cover scattered from 0 to 100%. Bird species were divided into forest birds and nonforest birds. Beta diversity was partitioned into turnover and nestedness-resultant components, and their contribution ratio to Sørensen beta was used to examine the effect of forest cover and pairwise cover difference.

Results

Our results indicated that forest birds exhibited low turnover and low nestedness, whereas nonforest birds exhibited nestedness distribution characteristics. The nestedness-resultant contribution ratio of nonforest birds was higher, driven by forest cover difference (slope = 0.0080, Pseudo R2 = 0.35**) than that of forest birds (slope = 0.0018, Pseudo R2 = 0.02**). Thus, we quantify the result of forest cover decreased lead to the dominated by nestedness species in nonforest birds.

Conclusions

These findings highlight the distinct effects of environmental changes on these two bird functional groups. Although the Sørensen beta diversity increases with forest cover decrease, most are contributed by nestedness-resultant nonforest birds and lead to homogenization. Thus, it is recommended that conservation plans should separately address forest and nonforest bird species to avoid the risk of underestimating species homogenization due to anthropogenic land-use and habitat degradation.

背景本研究考察了人类引起的景观变化如何影响森林和耕地混合的山村鸟类多样性。目标我们关注鸟类物种组成(β多样性),以确定物种同质化是否随森林覆盖率差异而变化。方法在森林覆盖率从 0% 到 100% 不等的 27 个地点进行鸟类调查。鸟类物种分为森林鸟类和非森林鸟类。结果表明,森林鸟类表现出低周转率和低嵌套性,而非森林鸟类则表现出嵌套性分布特征。在森林覆盖率差异(斜率=0.0080,伪R2=0.35**)的作用下,非森林鸟类的嵌套度-结果贡献比(斜率=0.0018,伪R2=0.02**)高于森林鸟类(斜率=0.0018,伪R2=0.02**)。因此,我们量化了森林覆盖率下降导致非森林鸟类中以嵌套性物种为主的结果。尽管索伦森贝塔多样性会随着森林覆盖率的降低而增加,但大部分都是由非森林鸟类的嵌套性造成的,并导致了同质化。因此,建议保护计划应分别针对森林鸟类和非森林鸟类,以避免因人为土地使用和栖息地退化而低估物种同质化的风险。
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引用次数: 0
Key breeding habitats of threatened golden eagles across Eastern Canada identified using a multi-level, multi-scale habitat selection approach 采用多层次、多尺度的栖息地选择方法,确定加拿大东部濒危金雕的主要繁殖栖息地
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-18 DOI: 10.1007/s10980-024-01835-x
Laurie D. Maynard, Jérôme Lemaître, Jean-François Therrien, Tricia A. Miller, Todd Katzner, Scott Somershoe, Jeff Cooper, Robert Sargent, Nicolas Lecomte

Context

In a conservation context, identifying key habitats suitable for reproduction, foraging, or survival is a useful tool, yet challenging for species with large geographic distributions and/or living in remote regions.

Objectives

The objective of this study is to identify selected habitats at multiple levels and scales of the threatened eastern North American population of golden eagles (Aquila chrysaetos). We studied habitat selection at three levels: landscape (second order of selection), foraging (third order of selection), and nesting (fourth order of selection).

Methods

Using tracking data from 30 adults and 366 nest coordinates spanning over a 1.5 million km2 area in remote boreal and Arctic regions, we modelled the three levels of habitat selection with resource selection functions using seven environmental features (aerial, topographical, and land cover). We then calculated the relative probability of selection in the study area to identify regions with higher probabilities of selection.

Results

Eagles selected more for terrain ruggedness index and relative elevation than land cover (i.e., forest cover, distance to water; mean difference in relative selection strength: 1.2 [0.71; 1.69], 95% CI) at all three levels. We also found that the relative probability of selection at all three levels was ~ 25% higher in the Arctic than in the boreal regions. Eagles breeding in the Arctic travelled shorter foraging distances with greater access to habitat with a high probability of selection than boreal eagles.

Conclusion

Here we found which aerial and topographical features were important for several of the eagles’ life cycle needs. We also identified important areas to monitor and preserve this threatened population. The next step is to quantify the quality of habitat by linking our multi-level, multi-scale approach to population demography and performance such as reproductive success.

背景在保护背景下,识别适合繁殖、觅食或生存的关键栖息地是一个有用的工具,但对于地理分布广和/或生活在偏远地区的物种来说具有挑战性。目标本研究的目标是识别濒危的北美东部金雕(Aquila chrysaetos)种群在多个层次和尺度上的栖息地选择。我们研究了三个层次的栖息地选择:景观(第二阶选择)、觅食(第三阶选择)和筑巢(第四阶选择)。方法利用偏远的北方和北极地区 150 万平方公里范围内 30 只成年金雕和 366 个巢穴坐标的追踪数据,我们利用七个环境特征(航空、地形和土地覆盖)建立了资源选择函数模型,以模拟三个层次的栖息地选择。结果在所有三个层次中,老鹰对地形崎岖指数和相对海拔的选择程度均高于对土地覆盖(即森林覆盖率、距水距离;相对选择强度的平均差异:1.2 [0.71; 1.69],95% CI)的选择程度。我们还发现,在所有三个水平上,北极地区的相对选择概率比北方地区高约 25%。与北方地区的老鹰相比,在北极地区繁殖的老鹰觅食距离更短,获得栖息地的可能性更大。我们还确定了监测和保护这一濒危种群的重要区域。下一步是通过将我们的多层次、多尺度方法与种群数量和表现(如繁殖成功率)联系起来,量化栖息地的质量。
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引用次数: 0
Partitioning genetic structure of a subterranean rodent at multiple spatial scales: accounting for isolation by barriers, distance, and environment 在多种空间尺度上划分地下啮齿动物的遗传结构:考虑障碍、距离和环境的隔离作用
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-18 DOI: 10.1007/s10980-024-01878-0
Nathan Alexander, Bradley J. Cosentino, Robert L. Schooley

Context

Understanding genetic structure at multiple spatial scales and identifying drivers of genetic isolation are important for developing comprehensive conservation plans including for grassland conservation efforts. However, few studies account for multiple genetic isolation processes nor partition genetic variance among these processes.

Objectives

We assess key processes that can create spatial genetic patterns including isolation by barrier (IBB), isolation by distance (IBD), and isolation by environment (IBE) for a widespread pocket gopher species (Geomys bursarius) and a spatially restricted subspecies (Geomys bursarius illinoensis). We further partition genetic variation to each isolating effect and identify genetic variation that was shared between processes.

Methods

We used seven microsatellites to determine spatial genetic clustering and identify environmental factors impacting genetic similarities. Then, we used redundancy analysis to partition variance explained by IBB, IBD, and IBE.

Results

Major rivers including the Mississippi River acted as barriers and explained the most genetic variation across the species. In contrast, IBD explained the most genetic variation for G. b. illinoensis. Gophers had genetic associations to soil sand percent and soil color, but IBE uniquely explained a small amount of genetic structure for G. bursarius, with additional variation shared with other isolating processes.

Conclusions

Gopher genetic structure resulted from barriers, distance, and environmental factors at the species range as well as for a subspecies’ region, but the relative amount of genetic variance assigned to unique isolating processes differed between scales. Delineation of conservation units should consider major rivers as natural boundaries, and finer-scale management should identify and protect areas close to source populations with similar soil friability. Our study exemplifies how analyzing gene flow at rangewide and regional scales can aid managers in developing localized strategies that fit within broader conservation units.

背景了解多个空间尺度上的遗传结构并确定遗传隔离的驱动因素对于制定全面的保护计划(包括草原保护工作)非常重要。目标我们评估了可以形成空间遗传模式的关键过程,包括障碍隔离(IBB)、距离隔离(IBD)和环境隔离(IBE),对象是一个广泛分布的袋鼠物种(Geomys bursarius)和一个空间受限的亚种(Geomys bursarius illinoensis)。我们进一步划分了每种隔离效应的遗传变异,并确定了不同过程之间共享的遗传变异。方法我们使用七个微卫星来确定空间遗传聚类,并确定影响遗传相似性的环境因素。结果包括密西西比河在内的主要河流起到了屏障的作用,解释了物种间最多的遗传变异。相比之下,IBD解释了伊利诺斯地鼠最大的遗传变异。结论在物种分布区以及亚种分布区,障碍、距离和环境因素都会导致地鼠遗传结构的变化,但不同尺度下独特的隔离过程所产生的遗传变异的相对数量是不同的。保护单位的划分应考虑将主要河流作为自然边界,而更精细的管理则应识别和保护靠近土壤易碎性相似的源种群的地区。我们的研究举例说明了在整个范围和区域尺度上分析基因流如何帮助管理者制定适合更广泛保护单元的本地化策略。
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引用次数: 0
Higher crop rotational diversity in more simplified agricultural landscapes in Northeastern Germany 德国东北部更简化的农业景观中更高的作物轮作多样性
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-15 DOI: 10.1007/s10980-024-01889-x
Josepha Schiller, Clemens Jänicke, Moritz Reckling, Masahiro Ryo

Context

Both crop rotational diversity and landscape diversity are important for ensuring resilient agricultural production and supporting biodiversity and ecosystem services in agricultural landscapes. However, the relationship between crop rotational diversity and landscape diversity is largely understudied.

Objectives

We aim to assess how crop rotational diversity is spatially organised in relation to soil, climate, and landscape diversity at a regional scale in Brandenburg, Germany.

Methods

We used crop rotational richness, Shannon’s diversity and evenness indices per field per decade (i.e., crop rotational diversity) as a proxy for agricultural diversity and land use and land cover types and habitat types as proxies for landscape diversity. Soil and climate characteristics and geographical positions were used to identify potential drivers of the diversity facets. All spatial information was aggregated at 10 × 10 km resolution, and statistical associations were explored with interpretable machine learning methods.

Results

Crop rotational diversity was associated negatively with landscape diversity metrics and positively with soil quality and the proportion of agricultural land use area, even after accounting for the other variables.

Conclusion

Our study indicates a spatial trade-off between crop and landscape diversity (competition for space), and crop rotations are more diverse in more simplified landscapes that are used for agriculture with good quality of soil conditions. The respective strategies and targets should be tailored to the corresponding local and regional conditions for maintaining or enhancing both crop and landscape diversity jointly to gain their synergistic positive impacts on agricultural production and ecosystem management.

背景作物轮作多样性和景观多样性对于确保农业生产的弹性以及支持农业景观中的生物多样性和生态系统服务都很重要。方法我们用作物轮作丰富度、香农多样性和每十年每块田地的均匀度指数(即作物轮作多样性)来代表农业多样性,用土地利用、土地覆被类型和生境类型来代表景观多样性。土壤和气候特征以及地理位置被用来确定多样性方面的潜在驱动因素。结果即使考虑了其他变量,作物轮作多样性与景观多样性指标呈负相关,而与土壤质量和农业用地面积比例呈正相关。结论我们的研究表明,作物多样性与景观多样性之间存在空间权衡(空间竞争),在土壤条件良好的农业用地上,作物轮作在更简化的景观中更具多样性。应根据相应的地方和区域条件制定相应的战略和目标,以共同保持或提高作物和景观多样性,从而对农业生产和生态系统管理产生协同积极影响。
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引用次数: 0
Lack of social data hinders integrative urban ecology research: obstacles and opportunities 缺乏社会数据阻碍城市生态学综合研究:障碍与机遇
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-10 DOI: 10.1007/s10980-024-01892-2
Ganlin Huang, Liyuan Chen, Morgan Grove, Weiqi Zhou, Steward Pickett
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引用次数: 0
Shifts in ecological patterns and processes under global changes 全球变化下生态模式和过程的转变
IF 5.2 2区 环境科学与生态学 Q1 ECOLOGY Pub Date : 2024-04-05 DOI: 10.1007/s10980-024-01863-7
Mingzhen Lu, Lifei Wang, Lixin Wang, Qinfeng Guo, Songlin Fei
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Landscape Ecology
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