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Citizen-science data identifies the daily movement patterns and habitat associations of a nocturnal urban-invading bird species (Corvus frugilegus) 公民科学数据确定了一种夜间入侵城市的鸟类(Corvus frugilegus)的日常活动模式和栖息地关系
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-03-01 DOI: 10.1007/s11252-024-01508-2
Jiweon Yun, Wonhyeop Shin, Jihwan Kim, James H. Thorne, Youngkeun Song

Rooks (Corvus frugilegus) are an invasive bird species in South Korea that are deemed harmful due to nocturnal urban invasions and agricultural damage. Employing citizen science data, we document the daily movement patterns and habitat associations of nocturnal urban-invading rooks in Suwon, South Korea. We collected 4,522 geolocated observations from December 2021 to March 2022, categorized by the timings of sunrise and sunset and segmented into 3-h intervals. Using the MaxENT (Maximum Entropy Model) and k-fold cross-validation (k = 10) with a 25% random test sample, we analyzed daily movement patterns and habitat preferences. Our results show that rooks forage in agricultural areas shortly after sunrise and roost in urban environments after sunset. Urban roosts tend to occur in areas near buildings of medium height (6–20 stories) that are illuminated by artificial light and contain utility poles. The variables with the highest percent contribution to rooks’ presence after sunset were buildings of medium height (20.7%), land use type (19.4%), elevation (29%), and utility pole (14.5%). Our findings emphasize the potential of citizen science initiatives to generate insights into the ecology of invasive bird species within large urban environments.

鸦雀(Corvus frugilegus)是韩国的一种入侵鸟类,由于夜间入侵城市和破坏农业而被认为是有害的。利用公民科学数据,我们记录了韩国水原市夜间入侵城市的秧鸡的日常活动模式和栖息地关联。我们收集了 2021 年 12 月至 2022 年 3 月期间的 4522 个地理定位观测数据,这些数据按日出日落的时间进行分类,并划分为 3 小时的时间间隔。我们使用最大熵模型(MaxENT)和 k 倍交叉验证(k = 10),以 25% 的随机测试样本,分析了鸦雀的日常活动模式和栖息地偏好。结果表明,秧鸡日出后不久在农业区觅食,日落后在城市环境中栖息。城市栖息地往往位于中等高度(6-20 层)、有人工照明和电线杆的建筑物附近。对鸦雀在日落后出现的百分比贡献最大的变量是中等高度的建筑物(20.7%)、土地利用类型(19.4%)、海拔(29%)和电线杆(14.5%)。我们的发现强调了公民科学计划在深入了解大型城市环境中入侵鸟类生态方面的潜力。
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引用次数: 0
Higher rat abundance in greener urban areas 绿化较好的城市地区老鼠数量较多
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-03-01 DOI: 10.1007/s11252-024-01513-5

Abstract

Urban greening has become an increasingly popular strategy to improve urban life and human health. However, there are indications that the presence and extent of urban greenness may increase the abundance of wild rats. Therefore, we investigated which environmental and socio-economic factors are associated with rat abundance, with a focus on factors related to urban greenness. We systematically trapped rats (222 Rattus norvegicus and 5 Rattus rattus) in parks and residential areas in three cities in the Netherlands. We modelled the relative abundance of rats against various environmental and socio-economic variables. In addition, we compared municipality rat complaint data with our trapping data and analysed trap success over time. We observed positive relationships between the relative abundance of rats and both greenness (NDVI) and different proxies for food resources (restaurants and petting zoos). In addition, there were more municipality rat complaints in residential areas compared to parks, while there was a higher relative abundance of rats in parks. Our findings corroborate that greenness is associated with a higher abundance of wild rats, and that municipality rat complaints may underestimate the abundance of rats in greener urban areas. This study provides new insights on factors affecting relative rat abundance in cities and can guide policy makers and city planners how to minimize rat nuisance in the greener parts of cities. By taking these potential effects of urban greenness on rat abundance into account, measures can be taken that on the one hand maintain the beneficial effects of urban greening, but at the same time reduce the carrying capacity for rats.

摘要 城市绿化已成为一种日益流行的改善城市生活和人类健康的策略。然而,有迹象表明,城市绿化的存在和范围可能会增加野生老鼠的数量。因此,我们调查了哪些环境和社会经济因素与老鼠的数量有关,重点是与城市绿化有关的因素。我们在荷兰三个城市的公园和居民区系统地诱捕了老鼠(222只北鼠和5只南鼠)。我们将老鼠的相对数量与各种环境和社会经济变量进行了模拟。此外,我们还将市政府的老鼠投诉数据与我们的诱捕数据进行了比较,并分析了诱捕成功率随时间的变化情况。我们观察到,老鼠的相对数量与绿度(NDVI)和食物资源的不同替代物(餐馆和宠物动物园)之间存在正相关关系。此外,与公园相比,居民区的老鼠投诉更多,而公园中老鼠的相对数量更高。我们的研究结果证实,绿化程度与野生老鼠数量较多有关,市政老鼠投诉可能低估了绿化程度较高的城市地区的老鼠数量。这项研究为影响城市中老鼠相对数量的因素提供了新的见解,并可指导政策制定者和城市规划者如何最大限度地减少城市绿地中的老鼠滋扰。考虑到城市绿化对老鼠数量的潜在影响,可以采取措施,一方面保持城市绿化的有益效果,同时降低老鼠的承载能力。
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引用次数: 0
Assessing the contribution of lawns and semi-natural meadows to bee, wasp, and flower fly communities across different landscapes 评估草坪和半天然草地对不同景观中蜜蜂、黄蜂和花蝇群落的贡献
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-03-01 DOI: 10.1007/s11252-024-01516-2
Sabrina Cloutier, Poliana Mendes, Jérôme Cimon-Morin, Stéphanie Pellerin, Valérie Fournier, Monique Poulin

Land conversion and intensive vegetation management are major drivers of shifts in insect communities, including economically valuable species. We evaluated the impact of lawns and meadows across agricultural, residential, and industrial landscapes in structuring bees, wasps, and flower flies communities. We carried out plant and insect inventories on 18 lawns and 18 meadows distributed evenly among agricultural, residential, and industrial landscapes within the Greater Quebec City region (Quebec, Canada). Insect sampling was conducted five times using bowl traps and entomological nets, from June to September 2020. Results indicate taxon-specific responses to landscape matrix and site maintenance. Agricultural landscapes negatively influenced bee abundance compared to urban areas, while the opposite trend was observed for flower flies. Wasp abundance and richness were negatively influenced by both agricultural and industrial matrices compared to residential landscapes. Regarding site maintenance, bees and wasps were 3 and 12 times more abundant and 2 and 6 times more species-rich, respectively, in meadows than in lawns as per the data aggregated across the sampling date. Flower fly abundance was higher in meadows than in lawns for agricultural and residential landscapes only, while richness was consistently higher (2 times greater) in meadows compared to lawns. Some species of the sweat bee genus Lasioglossum and the flower fly margined calligrapher (Toxomerus marginatus) were dominant in lawns, while meadows hosted a more balanced community among genera and supported pollinators with wide-ranging resource requirements. Our results suggest that conservation actions should consider both landscape and local management to conserve central-place foragers, such as bees and wasps, and for structuring flower fly species composition.

土地转换和密集型植被管理是昆虫群落(包括具有经济价值的物种)发生变化的主要驱动因素。我们评估了农业、住宅和工业景观中的草坪和草甸对蜜蜂、黄蜂和花蝇群落结构的影响。我们在大魁北克市地区(加拿大魁北克省)的 18 块草坪和 18 块草地上进行了植物和昆虫调查,这些草坪和草地平均分布在农业、住宅和工业景观中。从 2020 年 6 月到 9 月,使用碗式诱捕器和昆虫网进行了五次昆虫采样。结果表明,分类群对景观基质和场地维护有特定的反应。与城市地区相比,农业景观对蜜蜂的丰度有负面影响,而对花蝇的影响则呈相反趋势。与居住区景观相比,黄蜂的丰度和丰富度受到农业和工业景观的负面影响。在场地维护方面,根据取样日期的汇总数据,草地上蜜蜂和黄蜂的数量分别是草坪上的 3 倍和 12 倍,物种丰富度分别是草坪上的 2 倍和 6 倍。仅就农业和住宅景观而言,草地上的花蝇丰度高于草坪,而草地上的花蝇丰富度始终高于草坪(高出 2 倍)。汗蜂属 Lasioglossum 和花蝇边缘书法家(Toxomerus marginatus)中的一些物种在草坪中占优势,而草甸中各属之间的群落更为平衡,支持着对资源有广泛需求的传粉昆虫。我们的研究结果表明,保护行动应同时考虑景观和地方管理,以保护蜜蜂和黄蜂等中心觅食者,并构建花蝇物种组成结构。
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引用次数: 0
Relevance of forest fragments and synanthropic habitats for the maintenance of non-phyllostomid bats in an anthropogenic matrix 在人类活动的环境中,森林碎片和同类栖息地对维持非嗜肺蝙蝠的生存具有重要意义
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-29 DOI: 10.1007/s11252-024-01523-3
Jeanneson Sales, Patrício Adriano da Rocha

Impacts of urbanization can affect bat species differently, some bat assemblages demonstrated differences in their activity and richness between forest environments and urban areas. Bats species can seek refuge in green areas (urban forest remnants, parks and groves) or in buildings within the urban landscape. Using bioacoustics, we examined habitat use of by non-phyllostomid bats in a large Metropolitan Region of João Pessoa-PB, northeastern Brazil, comparing the activity and species/sonotypes composition of bat assemblages documented in Atlantic Forest remnants (FF) with those in the urbanized matrix areas (UM). Fifteen species belonging to four families were recorded. Out of these records, 11 were documented in both UM and FF, while Neoplatymops mattogrossensis, Myotis cf. riparius, and Rhynchonycteris naso were exclusively found in FF, and Promops nasutus (first record for the state) was only found in UM. The richness and activity of bats differed between FF and UM. Molossops temminckii and Promops nasutus were observed solely in arboreal habitats, whether in the forest fragments or in the UM areas. Only Cynomops planirostris, Eumops sp., Molossus molossus, Molossus rufus, and Promops centralis were recorded in strictly urban habitats, and they did not show differences in activities between FF and UM. These results indicate the ability of these bats to adapt to structural habitat changes within an urban matrix, reaching the highest levels of synanthropy. Our results demonstrate that the impact of urbanization on bat assemblages can be mitigated by maintaining green areas within an urban matrix.

城市化的影响会对蝙蝠物种产生不同的影响,一些蝙蝠群落在森林环境和城市地区之间的活动和丰富程度存在差异。蝙蝠物种可以在绿地(城市森林遗迹、公园和小树林)或城市景观中的建筑物中寻求庇护。我们利用生物声学研究了巴西东北部若昂-佩索阿大都会区(João Pessoa-PB)非瓣鳃目蝙蝠对栖息地的利用情况,比较了大西洋森林遗迹(FF)和城市化基质区(UM)记录的蝙蝠群的活动和物种/单型组成。记录了属于四个科的 15 个物种。在这些记录中,有 11 种在 UM 和 FF 中都有记录,而 Neoplatymops mattogrossensis、Myotis cf. riparius 和 Rhynchonycteris naso 只在 FF 中发现,Promops nasutus(该州首次记录)只在 UM 中发现。FF 和 UM 的蝙蝠数量和活动情况各不相同。Molossops temminckii 和 Promops nasutus 只在树栖栖息地被观察到,无论是在森林片区还是在 UM 地区。只有 Cynomops planirostris、Eumops sp.、Molossus molossus、Molossus rufus 和 Promops centralis 在严格意义上的城市栖息地被记录到,而且它们的活动在 FF 和 UM 之间没有显示出差异。这些结果表明,这些蝙蝠能够适应城市矩阵中栖息地结构的变化,达到最高的同类活动水平。我们的研究结果表明,城市化对蝙蝠群落的影响可以通过在城市基质中保持绿地来缓解。
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引用次数: 0
Exploring the value of ecosystem services at health clinic gardens in a South African context 探索南非医疗诊所花园生态系统服务的价值
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-28 DOI: 10.1007/s11252-024-01529-x
N. Gwedla, M. Muller, S. S. Cilliers, C. Niesing, P. Bester, M.J. Du Toit

Ecosystem services (ESs) valuation is important for advancing biodiversity objectives and investing in green infrastructure (GI) establishment. Little is known about the potential of health clinic gardens (HCGs) to provide ESs and their potential values. This study sought to determine the plant and bird species composition and potential value of ESs provided by 32 HCGs in two South African district municipalities. HCG sizes range from 513.0m2 to 13531.0m2 and each had at least one micro-garden. Among the 312 plant species observed across all HCGs, 60% were exotic. The small HCGs had 31 ± 3.6 different plant species per garden, compared to the medium-sized (32 ± 3.7) and large ones (49 ± 5.2). Provisioning ESs from the observed species were prominent with 17.4 ± 1.16 species potentially used for general well-being, 13.66 ± 1.08 as potential food plants, and 11.91 ± 0.93 potentially raw materials. Trees in HCGs were estimated to sequester up to 163481.87 kg of carbon from trees covering an area of up to 9620.80m2. Approximately 1390.70 ± 427.50m2 of HCG space had the potential to provide a habitat for plants and birds, and 11 bird species were observed across all HCGs. Sixty-three bird nests encountered in 18 HCGs are believed to belong to the Passer domesticus. HCGs resemble other types of gardens like home and domestic gardens, and their rich plant biodiversity positions them as ideal ecosystems to benefit even the most vulnerable members of society. They provide an opportune platform for knowledge upscaling in the cultivation and use of plant species as a supplement of primary healthcare and food security issues in the summer months to the rural, urban, and peri-urban poor in the Global South.

生态系统服务 (ES) 估值对于推进生物多样性目标和投资建立绿色基础设施 (GI) 非常重要。人们对健康诊所花园 (HCG) 提供生态系统服务的潜力及其潜在价值知之甚少。本研究旨在确定南非两个地区城市中 32 个健康诊所花园的植物和鸟类物种组成及其提供的环境服务的潜在价值。HCG 面积从 513.0 平方米到 13531.0 平方米不等,每个 HCG 至少有一个微型花园。在所有 HCG 中观察到的 312 种植物中,60% 是外来物种。与中型(32 ± 3.7)和大型(49 ± 5.2)相比,小型 HCG 每个花园有 31 ± 3.6 种不同的植物物种。所观察到的物种的供养环境因子非常突出,其中 17.4 ± 1.16 个物种可用于一般福利,13.66 ± 1.08 个物种可作为潜在的食用植物,11.91 ± 0.93 个物种可作为潜在的原材料。据估计,HCG 中树木的固碳量高达 163481.87 千克,树木覆盖面积高达 9620.80 平方米。约 1390.70 ± 427.50 平方米的 HCG 空间有可能为植物和鸟类提供栖息地,在所有 HCG 中观察到 11 种鸟类。在 18 个 HCG 中发现的 63 个鸟巢据信属于家雀。HCG 与家庭花园等其他类型的花园相似,其丰富的植物生物多样性使其成为理想的生态系统,即使是最弱势的社会成员也能从中受益。它们为全球南部的农村、城市和城市周边地区的贫困人口提供了一个合适的平台,在夏季种植和利用植物物种作为初级保健和食品安全问题的补充,从而提升知识水平。
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引用次数: 0
Evaluating the driving factors of the environmental injustice caused by the spatial mismatch of ecosystem services in mega cities in China 评估中国特大城市生态系统服务空间错配导致环境不公的驱动因素
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-28 DOI: 10.1007/s11252-024-01518-0
Chenjie Gu, Qian Shi, Chao Tongji

The issue of environmental injustice has received critical attention in sustainable development. Whereas, there is still a lack of research on exploring the complexity of environmental injustice related to the spatial mismatch of ecosystem services (ES) supply–demand. Hence, we firstly built a framework consisting of 10 types of ES supply and 3 types of ES demand to evaluate the ES supply–demand ratio (ESDR) at county scale in three mega cities in China. Then we adopted spatial autocorrelation analysis and MGWR model to explore the spatial heterogeneity and driving mechanisms of the environmental injustice on ESDR. Results showed that most counties in mega cities were suffering from ES shortages clustered in the city centers. Natural and socio-economic factors including temperature, precipitation, NDVI, housing price and vulnerable group were significantly correlated with the spatial heterogeneity of ESDR. Finally, we discuss the possible intervention policies for discision-makers to mitigate server environmental injustice caused by the spatial imbalance of ESDR.

环境不公正问题在可持续发展中受到了极大关注。然而,对于生态系统服务(ES)供需空间错配所导致的环境不公平的复杂性,目前仍缺乏相关研究。因此,我们首先构建了一个由 10 种生态系统服务供给和 3 种生态系统服务需求组成的框架,以评估中国三个特大城市县域尺度的生态系统服务供需比(ESDR)。然后,采用空间自相关分析和MGWR模型,探讨环境不公平对ESDR的空间异质性和驱动机制。结果表明,大多数特大城市的县域都集中在城市中心地带,遭受着ES短缺的困扰。包括气温、降水、NDVI、房价和弱势群体在内的自然和社会经济因素与 ESDR 的空间异质性显著相关。最后,我们讨论了决策者可能采取的干预政策,以缓解 ESDR 空间失衡造成的服务器环境不公正。
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引用次数: 0
Bird population changes in urban green spaces explained by regional population trends 用区域人口趋势解释城市绿地鸟类数量变化
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-27 DOI: 10.1007/s11252-024-01527-z
Carmen Emilie Skjelvik, Svein Dale

Urban bird species represent a subset of the regional species pool, consisting of species that have been able to survive in, or colonise, urban areas. Urban birds are typically resident non-forest species with a broad diet and nesting high in trees or in cavities, and some studies have also claimed that they are large-brained. However, little is known about how urban bird communities change over time. Does the urban environment impose specific selective pressures favouring particular species or ecological groups, or do birds in urban areas simply have population changes reflecting population trends at larger scales? We assessed population changes of 45 breeding land bird species in Oslo, the capital of Norway, based on surveys conducted ca. 15 years apart. Population changes within Oslo most closely matched changes occurring at the regional level (national population trends from Norway and Sweden). Thus, species increasing in Oslo were those that also increased at the regional level. We found no evidence that relative brain size, diet or habitat preferences influenced population trends. However, controlling for regional population trends, there were additional residual effects of nest site and migration: species nesting on the ground or low in bushes had more positive changes than species nesting high in trees or in cavities, and resident species did better than long- or short-distance migrants. These results indicate that urban environments are not isolated islands only influenced by own selection pressures, but are connected with regional population dynamics, most likely through immigration.

城市鸟类物种是区域物种库的一个子集,由能够在城市地区生存或定居的物种组成。城市鸟类是典型的非森林留鸟,食性广泛,筑巢于树木高处或洞穴中,一些研究还发现它们的大脑较大。然而,人们对城市鸟类群落如何随时间变化知之甚少。是城市环境施加了有利于特定物种或生态群落的特定选择性压力,还是城市地区鸟类的种群变化仅仅反映了更大范围内的种群趋势?我们根据相隔约 15 年的调查,评估了挪威首都奥斯陆 45 种陆地繁殖鸟类的种群变化。奥斯陆地区的种群变化与地区层面的变化(挪威和瑞典的全国种群趋势)最为接近。因此,在奥斯陆增加的物种也是那些在地区范围内增加的物种。我们没有发现相对脑容量、饮食或栖息地偏好影响种群趋势的证据。然而,在控制了地区种群趋势后,筑巢地点和迁徙也产生了额外的残余影响:在地面或低矮灌木丛中筑巢的物种比在高处或树洞中筑巢的物种有更多的积极变化,留鸟的表现要好于远距离或近距离迁徙的物种。这些结果表明,城市环境并不是只受自身选择压力影响的孤立岛屿,而是与区域种群动态相关联的,很可能是通过移民产生的。
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引用次数: 0
Initiating, innovating and accelerating edible cities. A case study based on two transition experiments in the city of Dresden (Germany) 启动、创新和加速可食用城市。基于德累斯顿市两个过渡实验的案例研究(德国)
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-26 DOI: 10.1007/s11252-024-01525-1
Kristin Reiß, Thea Luisa Seifert, Martina Artmann

Civic transition experiments targeting sustainable food production increasingly engage with edible cities aiming at providing free food on public urban spaces. To deepen the understanding regarding how transition experiments can build urban transformative capacities, this paper presents a transdisciplinary case study on two civic edible city initiatives and their measures to cooperatively initiate, innovate, and accelerate edible cities in Dresden (Germany). We identified the two key action areas “civic participation” and “cooperative area activation” covering ten key transition activities to illustrate the variety and content of a transformation towards an edible city. Based on expert interviews and document analyses, we evaluated their process progression by linking research from urban ecology with transformation science. By visualizing its quantitative results, common and distinct patterns of the edible city initiatives could be made visible. Overall, we found that the level of activity is highest in the key action area of “citizen participation”. In this context, both transition experiments had different but specific foci in terms of their key transition activities (i.e. education, activation of stakeholders), whereby activities related to civic empowerment and social cohesion were lacking in both cases. To re-shape narratives pertaining to land access, food production, and participation under the principles of justice, we suggest that transition experiments related to “civic participation” and “cooperative area activation” must be approached together. Our systematic assessment can then enable civic transition teams to strategically identify common goals that need to be prioritized for initiating, innovating, and accelerating urban edible commons.

以可持续粮食生产为目标的公民转型实验越来越多地与旨在在城市公共空间提供免费食物的可食用城市联系在一起。为了加深对转型实验如何建立城市转型能力的理解,本文介绍了一项跨学科案例研究,研究对象是德累斯顿(德国)的两个民间可食用城市倡议及其合作发起、创新和加速可食用城市发展的措施。我们确定了 "公民参与 "和 "合作区域激活 "两个关键行动领域,涵盖十项关键过渡活动,以说明向可食用城市转型的多样性和内容。在专家访谈和文件分析的基础上,我们将城市生态学研究与转型科学结合起来,对其进程进行了评估。通过量化结果的可视化,可食用城市倡议的共同和独特模式得以显现。总体而言,我们发现 "市民参与 "这一关键行动领域的活动水平最高。在这种情况下,两个转型实验在其关键转型活动(即教育、激活利益相关者)方面有着不同但具体的侧重点,而与公民赋权和社会凝聚力相关的活动在这两个案例中都有所欠缺。为了重新塑造与土地使用权、粮食生产和在公正原则下的参与有关的叙事,我们建议必须同时开展与 "公民参与 "和 "激活合作区 "有关的过渡实验。我们的系统性评估可以帮助公民转型团队战略性地确定共同目标,这些目标需要优先考虑,以启动、创新和加速城市可食用公地的发展。
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引用次数: 0
The effect of root shaving and biostimulant application on the transplant success of six common Australian urban tree species 刨根和施用生物刺激剂对澳大利亚六种常见城市树种移植成功率的影响
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-22 DOI: 10.1007/s11252-024-01522-4
Ariningsun Cinantya, Anthony Manea, Michelle R. Leishman

To enhance the establishment of container-grown trees, nursery and urban forest practitioners use root pruning to improve plant root structure. However, some methods of root pruning may cause stress to the plant and reduce shoot growth. One potential approach to mitigating tree stress is the application of biostimulants. This study aimed to determine the impact root shaving, a type of root pruning, has on the growth of urban plant species, and whether biostimulant application mitigates this impact. To address these aims, we applied root shaving (not shaved, shaved) and biostimulant (control, humic substance, protein hydrolysate, seaweed extract) treatments to six tree species that are commonly planted in the Sydney metropolitan area, Australia in a factorial design. The study consisted of a glasshouse and field experiment to simulate nursery production and urban field conditions, respectively. We found that the assimilation rate of the plants was not affected by root shaving but four of the species still experienced reductions in shoot growth in the short-term. This reduction was a result of the plants allocating resources to root growth to compensate for the root loss. However, in the long-term, the plants were able to compensate for this reduction in shoot growth. We found that biostimulant application did not mitigate the short-term impacts of root shaving on plant growth. We can conclude that root shaving and biostimulant application do not affect plant establishment in the long-term.

为了提高容器栽培树木的成活率,苗圃和城市森林从业者会使用根部修剪来改善植物根部结构。不过,有些根部修剪方法可能会对植物造成压力,并减少嫩枝的生长。缓解树木压力的一种潜在方法是施用生物刺激剂。本研究旨在确定刨根(一种根部修剪方法)对城市植物物种生长的影响,以及施用生物刺激剂是否能减轻这种影响。为了实现这些目标,我们采用因子设计,对澳大利亚悉尼大都会区常见的六种树木进行了剃根(未剃根、剃根)和生物刺激剂(对照组、腐殖质、蛋白水解物、海藻提取物)处理。研究包括玻璃温室和田间试验,分别模拟苗圃生产和城市田间条件。我们发现,植物的同化率并没有受到刨根的影响,但其中四个物种的枝条生长在短期内仍然有所下降。这种减少是植物将资源分配给根系生长以补偿根系损失的结果。不过,从长远来看,植物能够弥补嫩枝生长的减少。我们发现,施用生物刺激剂并不能减轻刨根对植物生长的短期影响。我们可以得出结论,刨根和施用生物刺激剂不会影响植物的长期生长。
{"title":"The effect of root shaving and biostimulant application on the transplant success of six common Australian urban tree species","authors":"Ariningsun Cinantya, Anthony Manea, Michelle R. Leishman","doi":"10.1007/s11252-024-01522-4","DOIUrl":"https://doi.org/10.1007/s11252-024-01522-4","url":null,"abstract":"<p>To enhance the establishment of container-grown trees, nursery and urban forest practitioners use root pruning to improve plant root structure. However, some methods of root pruning may cause stress to the plant and reduce shoot growth. One potential approach to mitigating tree stress is the application of biostimulants. This study aimed to determine the impact root shaving, a type of root pruning, has on the growth of urban plant species, and whether biostimulant application mitigates this impact. To address these aims, we applied root shaving (not shaved, shaved) and biostimulant (control, humic substance, protein hydrolysate, seaweed extract) treatments to six tree species that are commonly planted in the Sydney metropolitan area, Australia in a factorial design. The study consisted of a glasshouse and field experiment to simulate nursery production and urban field conditions, respectively. We found that the assimilation rate of the plants was not affected by root shaving but four of the species still experienced reductions in shoot growth in the short-term. This reduction was a result of the plants allocating resources to root growth to compensate for the root loss. However, in the long-term, the plants were able to compensate for this reduction in shoot growth. We found that biostimulant application did not mitigate the short-term impacts of root shaving on plant growth. We can conclude that root shaving and biostimulant application do not affect plant establishment in the long-term.</p>","PeriodicalId":48869,"journal":{"name":"Urban Ecosystems","volume":"129 1","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139952820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wildlife and the city. Modelling wild boar use of urban nature: Empirical contribution, methodological proposal 野生动物与城市。模拟野猪对城市自然的利用:经验贡献、方法建议
IF 2.9 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2024-02-21 DOI: 10.1007/s11252-024-01510-8
Carole Marin, Laurent Couderchet, Grégoire Le Campion, Jérôme Werno

Implementation of nature into urban areas provides resting, breeding, watering, feeding and movement opportunities for urban wildlife, whose knowledge of spatial ecology is still incomplete. This article focuses on space use by urban wild boar Sus scrofa in the central part of the Bordeaux Metropolis (France). We used species distribution modelling to assess urban ecological niche of wild boars and to identify landscape features that they select or avoid. We created a database based on field surveys carried out on a sample of grid cells where evidence of boar presence was recorded. We used logistic regression models to predict wild boar presence in the study area. Our results showed that the probability of boar presence was driven by access to resources and modulated by avoidance of densely built-up areas. In contrast, urban boars appeared to be indifferent to habitat fragmentation and secondary roads. Finally, a large part of the urbanistic urban green frame of Bordeaux was likely to support wild boar. These results provide a first picture of the situation, but must be considered as a first stage of investigations on the spatial ecology of urban boars. They also need to be placed in a broader socio-ecological context. From a life science perspective, urban wild boars provide an excellent example of urban wildlife adaptation. However, human-wildlife coexistence also raises planning, management, socio-cultural and ethical issues. We argue that objectifying wildlife use of urban space is a prerequisite to implement meaningful management measures. With this in mind, we proposed and discussed a simple protocol that could be adapted to other species whose urban ranges are poorly known.

将自然引入城市地区为城市野生动物提供了休息、繁殖、饮水、觅食和移动的机会,而城市野生动物对空间生态学的了解仍不全面。本文重点研究了法国波尔多市中部地区城市野猪对空间的利用。我们使用物种分布模型来评估野猪的城市生态位,并确定它们选择或回避的景观特征。我们根据对记录有野猪存在证据的网格单元样本进行的实地调查建立了一个数据库。我们使用逻辑回归模型来预测野猪在研究区域的出现情况。结果表明,野猪出现的概率受资源获取的驱动,并受避开建筑密集区的调节。相反,城市野猪似乎对栖息地破碎化和次要道路无动于衷。最后,波尔多城市绿化框架的很大一部分都有可能支持野猪的生存。这些结果提供了有关情况的初步描述,但必须将其视为城市野猪空间生态学研究的第一阶段。此外,还需要将这些结果放在更广泛的社会生态背景下进行研究。从生命科学的角度来看,城市野猪为城市野生动物的适应性提供了一个极好的范例。然而,人类与野生动物的共存也提出了规划、管理、社会文化和伦理方面的问题。我们认为,将野生动物对城市空间的利用客观化是实施有意义的管理措施的前提。有鉴于此,我们提出并讨论了一个简单的方案,该方案可适用于对城市范围知之甚少的其他物种。
{"title":"Wildlife and the city. Modelling wild boar use of urban nature: Empirical contribution, methodological proposal","authors":"Carole Marin, Laurent Couderchet, Grégoire Le Campion, Jérôme Werno","doi":"10.1007/s11252-024-01510-8","DOIUrl":"https://doi.org/10.1007/s11252-024-01510-8","url":null,"abstract":"<p>Implementation of nature into urban areas provides resting, breeding, watering, feeding and movement opportunities for urban wildlife, whose knowledge of spatial ecology is still incomplete. This article focuses on space use by urban wild boar <i>Sus scrofa</i> in the central part of the Bordeaux Metropolis (France). We used species distribution modelling to assess urban ecological niche of wild boars and to identify landscape features that they select or avoid. We created a database based on field surveys carried out on a sample of grid cells where evidence of boar presence was recorded. We used logistic regression models to predict wild boar presence in the study area. Our results showed that the probability of boar presence was driven by access to resources and modulated by avoidance of densely built-up areas. In contrast, urban boars appeared to be indifferent to habitat fragmentation and secondary roads. Finally, a large part of the urbanistic urban green frame of Bordeaux was likely to support wild boar. These results provide a first picture of the situation, but must be considered as a first stage of investigations on the spatial ecology of urban boars. They also need to be placed in a broader socio-ecological context. From a life science perspective, urban wild boars provide an excellent example of urban wildlife adaptation. However, human-wildlife coexistence also raises planning, management, socio-cultural and ethical issues. We argue that objectifying wildlife use of urban space is a prerequisite to implement meaningful management measures. With this in mind, we proposed and discussed a simple protocol that could be adapted to other species whose urban ranges are poorly known.</p>","PeriodicalId":48869,"journal":{"name":"Urban Ecosystems","volume":"12 1","pages":""},"PeriodicalIF":2.9,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139925995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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Urban Ecosystems
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