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Classification of old-growth beech forest across Europe using Sentinel-2 and airborne laser scanning 利用Sentinel-2和机载激光扫描对欧洲原始山毛榉森林进行分类
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2025-12-23 DOI: 10.1016/j.jnc.2025.127202
Manuela Hirschmugl , Carina Sobe , Peter Meyer , Hanns Kirchmeir , Alfredo Di Filippo , Ruth Vanhaecht , Yanitsa Ivanova , Kris Vandekerkhove
Old-growth forests (OGF) play a critical role in biodiversity conservation and climate regulation. The preservation of Europe’s remaining OGFs is therefore essential and as such addressed in the European Union’s (EU’s) biodiversity strategy 2030. In order to strictly protect all remaining EU primary and OGFs, their locations and extent need to be mapped. Remote sensing (RS) offers the possibility to assess extensive and remote areas. This study evaluates the use of Sentinel-2 satellite images and airborne laser scanning (ALS) data for the assessment of dominant stand age and development classes for beech forests in four test sites located in three different biogeographical regions across Europe. We use up to 150 spectral, textural and height features as input to a random forest (RF) regression. Elevation consistently ranks among the top eight most important features, showing the highest importance in mountainous regions and the lowest in predominantly flat terrain. Texture, on the other hand, varies in importance across the sites and appears to be inversely related to elevation, with higher importance values observed in flat areas. Regarding spectral indices, the Normalized Difference Red Edge (NDRE1) emerges as a significant feature across most sites. Near and short-wave infrared and the third red-edge band are important individual features in several sites. Training data is derived from existing age maps. Validation is done using 512 independent field measurement plots. The results show overall accuracies (OA) for five structural development classes between 53 and 81 % for Sentinel-2 data only. Where available, ALS data increases the OA by about 6 %. When considering only two classes (OGF vs. non-OGF), the OA is between 59 % for Bulgaria with Sentinel-2 data only and 94 % for Belgium, when including ALS. Our approach is constrained by the potential unavailability of high-quality reference data for various biogeographical regions, as well as the limited accessibility of LiDAR data. The comparison with existing global RS-based maps evidently shows many more details and higher accuracy of our products. In comparison with a European map of existing primary forests, we see overall congruence, but also differences: our approach spots similar spectral and structural characteristics in areas outside the known primary or old-growth forests. RS can thus provide valuable spatial insights into potential OGF locations to better target field visits and facilitate the faster identification of currently unprotected OGFs.
原生林在生物多样性保护和气候调节中发挥着至关重要的作用。因此,保护欧洲剩余的ogf至关重要,因此在欧洲联盟(欧盟)2030年生物多样性战略中得到了解决。为了严格保护所有剩余的欧盟主要和ogf,它们的位置和范围需要绘制地图。遥感(RS)提供了评估广大和偏远地区的可能性。本研究评估了Sentinel-2卫星图像和机载激光扫描(ALS)数据在欧洲三个不同生物地理区域的四个试验点的优势林龄和发展等级评估中的应用。我们使用多达150个光谱、纹理和高度特征作为随机森林(RF)回归的输入。海拔始终是最重要的八个特征之一,在山区表现出最高的重要性,在以平坦为主的地形中表现出最低的重要性。另一方面,纹理在不同地点的重要性不同,似乎与海拔成反比,在平坦地区观察到更高的重要性值。在光谱指数方面,归一化差分红边(NDRE1)在大多数站点中都是一个重要特征。近、短波红外波段和第三红边波段是几个站点的重要个体特征。训练数据来源于现有的年龄图。使用512个独立的现场测量图进行验证。结果显示,仅对于Sentinel-2数据,五个结构发展类别的总体精度(OA)在53%到81%之间。在可用的情况下,ALS数据使OA增加约6%。当只考虑两类(OGF与非OGF)时,保加利亚(仅使用Sentinel-2数据)的OA在59%之间,比利时(包括ALS)的OA在94%之间。我们的方法受到各种生物地理区域的高质量参考数据的潜在不可获得性以及激光雷达数据的有限可访问性的限制。与现有的全球RS-based地图进行比较,可以明显看出我们的产品细节更多,精度更高。与欧洲现有原始森林的地图相比,我们看到了总体上的一致性,但也有差异:我们的方法在已知原始森林或原始森林以外的地区发现了相似的光谱和结构特征。因此,遥感可以提供宝贵的空间信息,了解潜在的OGF地点,以便更好地进行实地考察,并促进更快地确定目前未受保护的OGF。
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引用次数: 0
The spatiotemporal pattern and driving factors of coupling coordination between ecological civilization and cultural tourism integration in the Yellow River Basin 黄河流域生态文明与文化旅游融合耦合协调的时空格局及驱动因素
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-16 DOI: 10.1016/j.jnc.2026.127210
Xuewei Zhang , Jinghao Zhang , Xiaoxiang Wang , Jingyu Pan , Mengjuan Zhang
Promoting the coordination of ecological civilization (EC) and cultural tourism integration (CTI) is crucial for enhancing both ecological conservation and economic development in the Yellow River Basin. Focusing on the 81 prefecture-level cities within the Yellow River Basin, this study constructs two evaluation systems for EC and CTI, respectively. The TOPSIS entropy method, coupling coordinated degree model and geographical detector model are used to analyze the spatiotemporal pattern and driving factors of coupling coordination between EC and CTI from 2011 to 2022. The results show that: (1) The levels of EC and CTI in the Yellow River Basin both exhibit a consistent upward trend respectively. Specifically, the level of EC increases from 0.059 in 2011 to 0.233 in 2022, while the level of CTI rises from 0.078 to 0.102 over the same period. (2) The coupling coordination degree between EC and CTI exhibits a spatial distribution pattern of “downstream > midstream > upstream”. From 2011 to 2022, cities in the coordinated stage showed an inverted “V” shape trend. (3) Technological innovation, green development, social demand, and education levels are all important driving factors. The interaction between green development and government support exerts the most significant influence on the coupling coordination between EC and CTI.
促进生态文明与文化旅游一体化的协调发展,对促进黄河流域生态保护与经济发展具有重要意义。本文以黄河流域81个地级市为研究对象,分别构建了经济效益评价体系和CTI评价体系。采用TOPSIS熵法、耦合协调度模型和地理探测器模型,分析了2011 - 2022年中国电子商务与CTI耦合协调的时空格局及其驱动因素。结果表明:(1)黄河流域EC和CTI水平均呈现一致的上升趋势。其中,EC水平从2011年的0.059上升到2022年的0.233,CTI水平同期从0.078上升到0.102。(2)电子商务与CTI的耦合协调度呈现“下游&中游&上游”的空间分布格局。2011 - 2022年,处于协调发展阶段的城市呈现倒“V”型发展趋势。(3)技术创新、绿色发展、社会需求和教育水平都是重要的驱动因素。绿色发展与政府支持的交互作用对电子商务与CTI的耦合协调影响最为显著。
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引用次数: 0
Discovery of new populations of Castanopsis argentea and C. tungurrut on Java, Indonesia, guided by distribution models and local knowledge 在分布模型和当地知识的指导下,在印度尼西亚爪哇岛发现了新种群的阿根廷栲和tungurrut
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-28 DOI: 10.1016/j.jnc.2026.127237
Agung Hasan Lukman , Alnus Meinata , Agus Susatya , Firman Hadi , Karyadi Baskoro , Fatchur Rohman , Indra Fardhani , Arief Hamidi , Hardi Wardoyo , Eko Sudaryanto , Takuto Shitara , Takashi Kamijo , Tetsuya Matsui
Field surveys for rare and endangered species are essential to identify new populations and improve the understanding of their natural distribution for effective conservation but are often constrained by limited prior information. In the present study, the fieldwork guided by species distribution models (SDMs) and local ecological knowledge (LEK) was conducted to discover previously unknown distributions of endangered Castanopsis argentea and C. tungurrut on Java, Indonesia. We performed field surveys at six locations in central and east Java and one in west Java. As a result, we discovered 723 individuals of C. argentea, elevations between 756 m and 2,021 m, at 34 sites in six locations. C. argentea populations persisted across varied dry-season precipitation regimes but declined sharply eastward, with no records from Mt. Ijen. Morphological variation, including a novel trait of pseudo-whirled twiglets, was also observed, potentially indicating local adaptation and intraspecific differentiation. In contrast, C. tungurrut was only found at three sites in west Java, in association with three individuals. These findings demonstrate the value of integrating SDMs and LEK to locate overlooked populations and generate ecological insights that can guide conservation measures, including enhancing species distribution databases, habitat protection, and restoration planning to support long-term endangered species persistence.
对稀有和濒危物种进行实地调查对于确定新的种群和提高对其自然分布的了解以进行有效的保护是必不可少的,但往往受到有限的先前资料的限制。本研究以物种分布模型(SDMs)和当地生态知识(LEK)为指导,对印度尼西亚爪哇岛濒危植物Castanopsis argentea和C. tungurrut的分布进行了野外调查。我们在爪哇中部和东部的六个地点以及西爪哇的一个地点进行了实地调查。结果表明,在海拔756 ~ 2021 m之间的6个地点34个地点共发现了723株青茶。在不同的旱季降水条件下,阿根廷茶种群持续存在,但向东急剧下降,伊真山没有记录。形态学上的变化,包括伪旋转小枝的新特征,也被观察到,可能表明局部适应和种内分化。而在西爪哇仅在3个地点发现了tungurrut,与3个个体有关联。这些发现证明了整合SDMs和LEK的价值,可以定位被忽视的种群,并产生生态学见解,指导保护措施,包括加强物种分布数据库,栖息地保护和恢复规划,以支持濒危物种的长期持久性。
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引用次数: 0
High endemism, higher risk: Why Colombia’s liverwort diversity demands urgent conservation action 高地方性,高风险:为什么哥伦比亚的苔类多样性需要紧急保护行动
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-24 DOI: 10.1016/j.jnc.2026.127233
Yeison Jaroc Lombo-Sanchez , Karen Yuliana Suarez-Contento , Mércia Patrícia Pereira Silva , Kátia Cavalcanti Pôrto
The biodiversity crisis demands urgent assessments for neglected taxa to inform effective conservation. Liverworts, a key hyperdiverse yet critically understudied plant group, epitomize this challenge in megadiverse countries. We present the first comprehensive, national threat assessment for Colombian liverworts, analyzing 8,297 records of 708 taxa using IUCN criteria. Our results reveal a severe conservation crisis: over 56% of assessed species are threatened (CR: 2.3%; EN: 38.6%; VU: 15.8%) or Data Deficient (26.7%). Threat is highly concentrated spatially, with the Andean and Pacific regions—identified as centres of endemism—showing the highest concentrations of threatened species and the most severe threat levels. Alarmingly, these critical zones exhibit poor representation within the Protected Area network. We identify Lejeuneaceae and Lepidoziaceae as the most threatened families. Lejeunea, Plagiochila, and Cololejeunea contain the highest proportion of threatened and data-deficient taxa. Our findings provide a critical baseline and a clear mandate: conserving Colombia’s bryophyte diversity requires immediate expansion of protected areas in endemic hotspots and targeted research to address knowledge gaps for data-deficient taxa.
生物多样性危机要求对被忽视的分类群进行紧急评估,以便为有效的保护提供信息。Liverworts是一种重要的高度多样化但研究不足的植物群,在超级多样化的国家体现了这一挑战。我们提出了第一个全面的,国家对哥伦比亚地菌的威胁评估,使用IUCN标准分析了708个分类群的8297条记录。结果表明,中国的物种保护危机严重:超过56%的被评估物种受到威胁(CR: 2.3%; EN: 38.6%; VU: 15.8%)或数据不足(26.7%)。威胁在空间上高度集中,被确定为特有种中心的安第斯和太平洋地区显示出受威胁物种的最高集中度和最严重的威胁水平。令人担忧的是,这些关键区域在保护区网络中表现得很差。我们确定Lejeuneaceae和Lepidoziaceae是最受威胁的科。Lejeunea、Plagiochila和Cololejeunea包含的受威胁和缺乏数据的分类群比例最高。我们的研究结果提供了一个关键的基线和明确的任务:保护哥伦比亚的苔藓植物多样性需要立即在地方性热点地区扩大保护区,并有针对性地开展研究,以解决数据不足的分类群的知识空白。
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引用次数: 0
Social cost of deforestation in Brazilian biomes 巴西生物群落中森林砍伐的社会成本
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2025-12-09 DOI: 10.1016/j.jnc.2025.127189
Jessica Suarez Campoli , Matheus Stivali
Determining the social cost of deforestation in each Brazilian biome is essential for supporting public policies and improving decision-making processes. This study conducts a systematic literature review of the economic valuation of native vegetation across Brazil’s six biomes, grounded in the Total Economic Value (TEV) framework. In addition to compiling and harmonizing existing estimates, we produced new values for biomes with information gaps, following procedures widely adopted in the international literature. After methodological harmonization— including the exclusion of components that were not comparable across studies— we established conservative ranges for the social cost of deforestation, expressed in 2025 U.S. dollars per hectare: Amazon (USD 822.20–20,521.35/ha), Cerrado (USD 529.48–5,999.04/ha), Atlantic Forest (USD 4,380.51–8,206.54/ha), Caatinga (USD 4,049.76–4,382.46/ha), Pampa (USD 532.53–5,993.83/ha), and Pantanal (USD 1,906.50–12,745.21/ha). The consolidated results presented here constitute the most comprehensive and comparable reference available for Brazil, providing robust parameters for cost–benefit analyses and for the design of environmental policy instruments.
确定每个巴西生物群落中毁林的社会成本对于支持公共政策和改进决策过程至关重要。本研究以总经济价值(TEV)框架为基础,对巴西六个生物群落的原生植被的经济价值进行了系统的文献综述。除了汇编和协调现有的估算值外,我们还根据国际文献中广泛采用的程序,为存在信息缺口的生物群系编制了新的值。在方法论上的协调,包括组件的排斥,并不具有可比性的研究,我们建立了保守的社会成本范围的森林砍伐,表达的每公顷2025美元:亚马逊(美元822.20 -20521 .35点/公顷),塞拉多(529.48美元-5999 .04点/公顷),大西洋森林(4380 .51 - 8206 - 54美元/公顷),Caatinga(美元4049点- 4382 .46 /公顷),南美大草原(USD 532.53 -5993 .83点/公顷),和潘塔纳(- 12745 .21 1906 .50美元/公顷)。这里提出的综合结果是巴西现有的最全面和最可比的参考资料,为成本效益分析和环境政策工具的设计提供了有力的参数。
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引用次数: 0
Mapping stakeholders in plover bird conservation: An expert-based analysis of interest and influence 测绘鸻鸟保护的利益相关者:基于专家的兴趣和影响分析
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-02-06 DOI: 10.1016/j.jnc.2026.127243
Corrado Battisti , Loredana Mirra , Milvia Rastrelli
In this study, a panel of 13 experts assessed a group of 34 stakeholders involved in the conservation of the Kentish plover (Anarhynchus alexandrinus), a shorebird that breeds in a coastal nature reserve located in central Italy. Stakeholders were assessed and grouped based on their level of influence and interest (as selected variables) in conservation objectives, following the Mendelow and Murray-Webster & Simon matrices. This expert-based approach allowed to group stakeholders into six groups: “Key Players”, “Context Setters”, “Subjects”, “People”, “Unconscious Saboteurs”, and “Time Bombs”, each requiring distinct strategies to reduce conflict with the target species and increase engagement. We observed an opposite pattern: “Key Players”—highly influential, interested, and motivated—contrast with “Time Bombs”, with low interest and high negative influence, who, conversely, threaten the target species and require careful management to prevent/mitigate negative impacts. “Unconscious Saboteurs” (high interest and high negative influence) comprise a highly heterogeneous and numerically significant category of stakeholders—summer beachgoers—who negatively impact the coastal habitats through dune trampling. However, they demonstrate strong conservation potential and could be raised through conservation education and communication strategies. These findings provide practical guidance for targeted operational conservation strategies at the local scale, compatible with the sustainable development of the coastal dune ecosystem.
在这项研究中,一个由13名专家组成的小组评估了参与保护肯特鸻(Anarhynchus alexandrinus)的34名利益相关者,这是一种在意大利中部沿海自然保护区繁殖的滨鸟。根据Mendelow和Murray-Webster & & Simon矩阵,根据利益相关者在保护目标中的影响力和兴趣水平(作为选定的变量)对其进行评估和分组。这种基于专家的方法允许将利益相关者分为六组:“关键参与者”、“背景设置者”、“受试者”、“人”、“无意识破坏者”和“定时炸弹”,每组都需要不同的策略来减少与目标物种的冲突并增加参与度。我们观察到一个相反的模式:“关键参与者”——极具影响力、兴趣和动机——与“定时炸弹”形成对比,他们兴趣低,负面影响大,相反,他们威胁到目标物种,需要仔细管理以防止/减轻负面影响。“无意识破坏者”(高兴趣和高负面影响)包括一个高度异质性和数字显著的利益相关者类别-夏季海滩游客-他们通过践踏沙丘对沿海栖息地产生负面影响。然而,它们具有很强的保护潜力,可以通过保护教育和宣传策略来提高。这些发现为在地方尺度上制定有针对性的操作保护策略提供了实践指导,与海岸沙丘生态系统的可持续发展相适应。
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引用次数: 0
Synergies between potential key geoheritage areas (KGAs) and key biodiversity areas (KBAs) in Spain and Scotland: Toward a holistic nature conservation framework 西班牙和苏格兰潜在的关键地质遗产区(KGAs)和关键生物多样性区(KBAs)之间的协同作用:迈向整体自然保护框架
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-20 DOI: 10.1016/j.jnc.2026.127232
M.R. Monge-Ganuzas , J.E. Gordon , R. Crofts , D. Juffe Bignoli , J.B. Brilha
Geodiversity provides the abiotic foundation that shapes ecosystems and supports biodiversity. However, its role in conservation planning remains underrepresented. This study investigates spatial overlaps and functional linkages between potential Key Geoheritage Areas (KGAs) and Key Biodiversity Areas (KBAs) in Spain and Scotland, aiming to promote a more integrated conservation framework. Using national geosite inventories and the World Database of KBAs, we conducted spatial analyses and inferred ecological dependencies based on geological features and habitat data.
In Spain, 78% of the surface area of potential KGAs lies entirely within KBAs, despite KGAs covering only 1.7% of the total KBA area. These KGAs include volcanic, karstic, coastal, and tectonic systems that underpin habitats for protected species. In Scotland, all 40 globally important KBAs show inferred functional links to geoheritage, particularly through coastal geomorphology, soils, and hydrological systems supporting seabird and wetland species.
The results demonstrate that co-located KGAs and KBAs offer opportunities for integrated management, enhancing conservation effectiveness by recognizing the interdependence of abiotic and biotic systems. This innovative framework supports holistic conservation strategies, especially under climate change and land-use pressures. The study highlights the need for interdisciplinary approaches and skilled practitioners capable of managing both biodiversity and geoheritage within protected areas.
地质多样性为形成生态系统和支持生物多样性提供了非生物基础。然而,它在保护规划中的作用仍然没有得到充分的体现。本研究探讨了西班牙和苏格兰潜在的关键地质遗产区(KGAs)和关键生物多样性区(KBAs)之间的空间重叠和功能联系,旨在促进更综合的保护框架。利用国家地质遗址清查和世界地质bas数据库,我们进行了空间分析,并根据地质特征和栖息地数据推断出生态依赖关系。在西班牙,尽管KGAs仅占KBA总面积的1.7%,但潜在KGAs表面积的78%完全位于KBA内。这些KGAs包括支撑受保护物种栖息地的火山、岩溶、海岸和构造系统。在苏格兰,所有40个全球重要的kba都显示出与地质遗产的推断功能联系,特别是通过支持海鸟和湿地物种的沿海地貌、土壤和水文系统。结果表明,通过认识到非生物系统和生物系统的相互依存关系,共同定位的KGAs和KBAs为综合管理提供了机会,提高了保护效果。这一创新框架支持整体保护战略,特别是在气候变化和土地利用压力下。这项研究强调需要跨学科的方法和熟练的实践者来管理保护区内的生物多样性和地质遗产。
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引用次数: 0
Mapping connectivity through tourism omniscape modeling reveals amphibian corridors in the Yangtze River Delta 通过旅游全景观模型绘制连通性图,揭示长三角两栖动物走廊
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-07 DOI: 10.1016/j.jnc.2026.127221
Yicheng Ren , Jiechen Wang , He Wu , Amaël Borzée , Zhaoning Wu
Tourist attractions, as specialized landscapes, provide recreational value for humans while simultaneously serving as critical habitats for numerous amphibian species. However, the ecological benefits and risks these sites pose to amphibians remain understudied. The Yangtze River Delta urban agglomeration, one of China’s most economically developed and densely populated regions, hosts extensive tourism infrastructure alongside 58 amphibian species. To quantify the modulating effects of attractions on amphibian movement connectivity, we simulated landscape connectivity for three amphibian species by constructing resistance surfaces based on habitat suitability derived from MaxEnt species distribution modeling, employing omnidirectional connectivity modeling for current flow analysis. This framework enabled the identification of connectivity-modulating attractions and species-specific corridors under three dispersal scenarios, alongside analyses of bidirectional “inhibition-enhancement” effects and land cover contributions to corridor composition. Results revealed both amphibian connectivity corridors and tourism attraction clusters exhibit spatial congruence in the southern Yangtze River Delta. This geographic overlap results in over 1,100 connectivity-modulating attractions. Urban attractions and Remote Natural attractions dominated the attraction typology (22% – 27% and 40% – 50% respectively). Connectivity-modulators demonstrate dual roles − inhibitory or facilitatory − contingent on species-attraction interactions. Urban attractions predominantly suppressed connectivity, whereas Remote natural attractions enhanced connectivity across all species. Cropland and forest collectively contributed > 80% to corridor area, followed by impervious surfaces and water. These findings could provide scientific foundations for reconciling tourism development with amphibian conservation in megacity clusters, directly supporting China’s ecological protection red line policy and global biodiversity targets.
旅游景点作为一种特殊的景观,为人类提供了娱乐价值,同时也是众多两栖动物的重要栖息地。然而,这些地点对两栖动物的生态效益和风险仍未得到充分研究。长江三角洲城市群是中国经济最发达、人口最密集的地区之一,拥有广泛的旅游基础设施和58种两栖动物。为了量化景点对两栖动物运动连通性的调节作用,基于MaxEnt物种分布模型得出的栖息地适宜性,构建阻力面,模拟了3种两栖动物的景观连通性,并采用全向连通性模型进行水流分析。该框架能够识别三种分散情景下的连通性调节景点和物种特定走廊,同时分析双向“抑制-增强”效应和土地覆盖对走廊组成的贡献。结果表明:长三角南部两栖动物连通性廊道和旅游景区集群均呈现空间一致性;这种地理上的重叠产生了超过1100个连接调制景点。城市景区和偏远自然景区在景区类型中占主导地位(分别为22% ~ 27%和40% ~ 50%)。连接调节剂表现出双重作用-抑制或促进-取决于物种吸引相互作用。城市景点主要抑制了所有物种的连通性,而偏远的自然景点则增强了所有物种的连通性。农田和森林共占走廊面积的80%,其次是不透水地表和水域。研究结果可为城市群旅游开发与两栖动物保护的协调提供科学依据,直接支持中国生态保护红线政策和全球生物多样性目标。
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引用次数: 0
Forest management in a French Natura 2000 conservation site: integrating or keeping environmental standards at a distance? 法国Natura 2000保护区的森林管理:整合或保持环境标准?
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-10 DOI: 10.1016/j.jnc.2025.127203
Elodie Brahic, Philippe Deuffic
While biodiversity issues are increasingly recognised, their implementation can sometimes be contentious, particularly within forest ownership, as seen with the Natura 2000 network. The low uptake of Natura 2000 charters and contracts makes it difficult to ascertain the actions of landowners in these protected forest areas. To investigate the behaviour of forest owners in such areas, we conducted semi-directive interviews and a quantitative survey using a closed-ended questionnaire in the Ciron Valley (Gironde, France), which is renowned for its beech forests relics considered as refugia of the last glacial period. Data analysis combining discourse analysis and statistical methods (variable classification and hierarchical ascending classification) revealed six typical behavioural profiles. Three of these reflect a voluntary pro-environmental commitment that can be attributed to ethical, practical, or economic motivations. These groups view the Natura 2000 area as a laboratory for testing environmental and forestry transition paths. The other three groups do not feel strongly compelled by the Natura 2000 environmental regulations, viewing them primarily as binding obligations. Despite their initial hostility towards the Habitats Directive in the 2000s, a sense of belonging to, and a collective defence of, the site is now emerging. The appropriation of the site reflects real changes in pro-environmental behaviour, as well as the strategic use of its protected status. The focus of the debate has shifted, with discussions now centring on the most appropriate types of environmental action and their relevance within broader contexts, such as climate change mitigation.
虽然生物多样性问题越来越被认识到,但它们的实施有时会引起争议,特别是在森林所有权范围内,正如Natura 2000网络所看到的那样。由于对Natura 2000宪章和合同的接受程度较低,因此很难确定这些森林保护区的土地所有者的行动。为了调查这些地区森林所有者的行为,我们在法国吉伦特市的西隆河谷(Ciron Valley)进行了半指示访谈和封闭式问卷定量调查,该地区以其山毛榉森林遗迹而闻名,被认为是最后一个冰川期的避难所。结合话语分析和统计方法(变量分类和层次上升分类)的数据分析揭示了六种典型的行为特征。其中三个反映了出于道德、实际或经济动机的自愿环保承诺。这些团体将Natura 2000地区视为测试环境和林业转型路径的实验室。其他三个团体并不觉得受到《自然2000》环境法规的强烈强迫,他们主要将其视为具有约束力的义务。尽管他们最初在2000年代对栖息地指令充满敌意,但一种归属感和集体防御意识正在出现。该场地的占用反映了亲环境行为的真正变化,以及对其受保护地位的战略利用。辩论的焦点已经转移,现在的讨论集中在最适当的环境行动类型及其在更广泛背景下的相关性,例如减缓气候变化。
{"title":"Forest management in a French Natura 2000 conservation site: integrating or keeping environmental standards at a distance?","authors":"Elodie Brahic,&nbsp;Philippe Deuffic","doi":"10.1016/j.jnc.2025.127203","DOIUrl":"10.1016/j.jnc.2025.127203","url":null,"abstract":"<div><div>While biodiversity issues are increasingly recognised, their implementation can sometimes be contentious, particularly within forest ownership, as seen with the Natura 2000 network. The low uptake of Natura 2000 charters and contracts makes it difficult to ascertain the actions of landowners in these protected forest areas. To investigate the behaviour of forest owners in such areas, we conducted semi-directive interviews and a quantitative survey using a closed-ended questionnaire in the Ciron Valley (Gironde, France), which is renowned for its beech forests relics considered as refugia of the last glacial period. Data analysis combining discourse analysis and statistical methods (variable classification and hierarchical ascending classification) revealed six typical behavioural profiles. Three of these reflect a voluntary pro-environmental commitment that can be attributed to ethical, practical, or economic motivations. These groups view the Natura 2000 area as a laboratory for testing environmental and forestry transition paths. The other three groups do not feel strongly compelled by the Natura 2000 environmental regulations, viewing them primarily as binding obligations. Despite their initial hostility towards the Habitats Directive in the 2000s, a sense of belonging to, and a collective defence of, the site is now emerging. The appropriation of the site reflects real changes in pro-environmental behaviour, as well as the strategic use of its protected status. The focus of the debate has shifted, with discussions now centring on the most appropriate types of environmental action and their relevance within broader contexts, such as climate change mitigation.</div></div>","PeriodicalId":54898,"journal":{"name":"Journal for Nature Conservation","volume":"91 ","pages":"Article 127203"},"PeriodicalIF":2.5,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145980254","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
Vegetation mediates the effect of management and habitat on Auchenorrhyncha species richness, but not community quality, in restored grasslands 在恢复草原中,植被调节管理和生境对柽桐物种丰富度的影响,但不调节群落质量
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2026-06-01 Epub Date: 2026-01-22 DOI: 10.1016/j.jnc.2026.127231
Valeria Trivellone , Christopher H. Dietrich , Bernd Panassiti , Abigail Pagels , Eric Janssen , Paul B. Marcum , Sara Johnson , Susan D. McIntyre , Mary Ann Feist , David N. Zaya , Thomas J. Benson , Brenda Molano-Flores
Insects represent the largest component of global biodiversity, and widespread declines in their richness and abundance have raised concerns about ecosystem functioning. Yet insect communities in natural and semi-natural grasslands, and the drivers of their recent changes, remain poorly studied at broad spatial scales. In Illinois (USA), efforts to preserve and restore native tallgrass prairies have been ongoing for decades, but their impact on native insect communities remain poorly understood. We conducted a statewide assessment of Auchenorrhyncha communities (Hemiptera, hereafter ‘hoppers’) along a gradient of anthropogenic disturbance. By sampling both plants and hoppers across prairie habitats, we evaluated how management practices and habitat history influence hopper communities through direct and indirect (trophic) pathways. Using community-level analyses and structural equation modeling, we tested hypotheses regarding direct and indirect effects of management intensity, habitat type, and environmental factors on plant and hopper communities. Responses were assessed for prairie-dependent species (e.g., Flexamia grammica and Calamovilfa longifolia), overall species richness (plants and hoppers), and habitat quality indices (Floristic Quality Index, Auchenorrhyncha Quality Index [AQI]). Higher management intensity indirectly promotes hopper species richness through enhanced plant species richness. However, this pattern did not extend to the AQI, which declined significantly under high-intensity management in hill prairies, which currently serve as refuges for the remaining prairie specialist hoppers. These findings suggest that while prairie management benefits plant diversity, its effects on prairie-dependent insect communities are more complex and mediated by ecological and historical factors. Effective conservation of hopper communities may therefore require targeted, habitat-specific management strategies.
昆虫是全球生物多样性的最大组成部分,其丰富度和丰度的普遍下降引起了人们对生态系统功能的担忧。然而,在广泛的空间尺度上,对自然和半自然草地上的昆虫群落及其近期变化的驱动因素的研究仍然很少。在美国伊利诺斯州,保护和恢复本土高草草原的努力已经进行了几十年,但它们对本土昆虫群落的影响仍然知之甚少。我们沿着人为干扰的梯度对全州范围内的Auchenorrhyncha群落(半翅目,以下简称“跳虫”)进行了评估。通过对草原生境的植物和跳虫进行采样,我们评估了管理实践和生境历史如何通过直接和间接(营养)途径影响跳虫群落。利用群落水平分析和结构方程模型,验证了管理强度、生境类型和环境因子对植物和飞蛾群落的直接和间接影响。评估了草原依赖物种(如Flexamia grammica和Calamovilfa longifolia)、总体物种丰富度(植物和跳蝇)和生境质量指数(Floristic quality Index, Auchenorrhyncha quality Index [AQI])的响应。较高的管理强度通过提高植物物种丰富度间接促进了飞蛾物种丰富度。然而,这种模式并没有延伸到AQI,在高强度管理下,AQI显著下降,目前这些草原是剩余草原专科跳鸟的避难所。这些发现表明,虽然草原管理有利于植物多样性,但其对草原依赖昆虫群落的影响更为复杂,并受到生态和历史因素的调节。因此,有效保护跳虫群落可能需要有针对性的、针对栖息地的管理策略。
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引用次数: 0
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Journal for Nature Conservation
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