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Serval population status in the Greater Kafue Ecosystem, Zambia 赞比亚大Kafue生态系统的几个种群状况
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-30 DOI: 10.1016/j.jnc.2025.127207
Kyle Marshall , Lochran W. Traill , Kim Young-Overton , Xia Stevens , Will Donald , Davies Bubala , Lucky Mulenga , Mutakatala Kaponde , Blessing Samalesu , Edwin Phiri , Andrew B. Mulenga , Twakundine Simpamba , Adrian Kaluka , Paolo Strampelli
Mesopredators such as servals (Leptailurus serval) often receive less funding for research compared to charismatic large carnivores. However, understanding the population dynamics of the species is crucial for evidence-based conservation planning and management. This study investigates serval densities within Zambia’s Greater Kafue Ecosystem (GKE). Serval population density was estimated through camera trap surveys and spatially explicit capture-recapture (SECR) at a number of sites, five within the fully protected Kafue National Park (KNP) and six in adjacent Game Management Areas (GMAs), where human pressures are generally greater. The analysis revealed that serval densities in KNP ranged from 2.32 (SE: 1.26, 95 % CI: 0.06 – 4.84) to 5.84 individuals (SE: 1.35, 95 % CI: 3.01 – 7.43) per 100 km2. Serval population density within the GMAs exhibited marginally greater variability, with densities ranging from 1.32 (SE: 0.38, 95 % CI: 0.57 – 2.07) to 6.11 individuals (SE: 1.70, 95 % CI: 2.77 – 9.45) per 100 km2. Our findings suggest slightly higher mean densities within KNP compared to the GMAs, which may be a result of differences in habitat quality and human disturbance. Our study further demonstrates the efficacy of using SECR models on bycatch data from large carnivore surveys to estimate serval densities. Future research could identify the environmental and anthropogenic factors that determine serval densities in the GKE, and a longitudinal study will allow for serval densities to be tracked over time.
与魅力十足的大型食肉动物相比,像几头瘦尾龙这样的中掠食者通常获得较少的研究资金。然而,了解该物种的种群动态对于基于证据的保护规划和管理至关重要。本研究调查了赞比亚大Kafue生态系统(GKE)内的几种密度。通过相机陷阱调查和空间明确捕获-再捕获(SECR)在许多地点估计了几种种群密度,其中五个在完全受保护的Kafue国家公园(KNP)内,六个在邻近的野生动物管理区(gma),人类压力通常更大。结果表明:每100 km2密度为2.32 (SE: 1.26, 95% CI: 0.06 ~ 4.84) ~ 5.84 (SE: 1.35, 95% CI: 3.01 ~ 7.43)。gma内的几个种群密度表现出更大的变异性,密度范围为1.32 (SE: 0.38, 95% CI: 0.57 - 2.07)至6.11 (SE: 1.70, 95% CI: 2.77 - 9.45) / 100 km2。我们的研究结果表明,与GMAs相比,KNP内的平均密度略高,这可能是生境质量差异和人为干扰的结果。我们的研究进一步证明了利用SECR模型对大型食肉动物调查的副渔获物数据进行估计密度的有效性。未来的研究可以确定决定GKE中几种密度的环境和人为因素,并且纵向研究将允许随着时间的推移跟踪几种密度。
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引用次数: 0
Investigating the threats of sustainable ecotourism by integrating the norms with GIS and remotely sensed data 结合GIS和遥感数据,探讨可持续生态旅游的威胁
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-25 DOI: 10.1016/j.jnc.2025.127198
Shakib Hadifar, Jamil Amanollahi, Loghman Emamgholi, Navid Zamani
Identifying ecotourism potential alone is insufficient for achieving sustainability unless ecological conditions are combined with an assessment of the social norms that influence environmental behavior. This study integrates GIS and remotely sensed data with a social-norm analysis to evaluate threats to sustainable ecotourism in the Badr and Parishan protected areas in Qorveh, Iran. Landsat OLI/TM imagery (30 m spatial resolution) and an AHP-based multi-criteria model were used to map ecotourism suitability based on eight indicators including land use, elevation, vegetation density, aspect, slope, soil taxonomy, distance from roads, and proximity to water sources. In parallel, 384 questionnaires were analyzed to examine three primary norms—legal, participatory, and normative beliefs—along with the intermediary variables of environmental concern (EC), awareness of negative consequences (ANCB), and acceptance of environmental responsibility (AER). Path analysis showed that legal norms (β = 0.329), normative beliefs (β = 0.371), and participatory norms (β = 0.220) exert the strongest direct effects on sustainable ecotourism, whereas EC (β = 0.124), ANCB (β = 0.074), and AER (β = 0.129) demonstrate weaker effects. Integrating spatial and behavioral components revealed that areas with high ecological suitability are simultaneously suitable for rainfed farming, making them vulnerable to land-use conversion if legal protection weakens. The findings highlight the need for targeted policy interventions, including strengthened legal enforcement in ecologically sensitive zones and community-based programs to enhance environmental responsibility.
除非将生态条件与对影响环境行为的社会规范的评估结合起来,否则仅确定生态旅游潜力不足以实现可持续性。本研究将GIS和遥感数据与社会规范分析相结合,以评估伊朗Qorveh巴德尔和帕里山保护区可持续生态旅游面临的威胁。利用Landsat OLI/TM影像(30 m空间分辨率)和基于ahp的多准则模型,基于土地利用、高程、植被密度、坡向、坡度、土壤分类、道路距离和距离水源等8个指标绘制生态旅游适宜性图。同时,对384份问卷进行了分析,以检验三个主要规范——法律、参与性和规范性信念——以及环境关注(EC)、负面后果意识(ANCB)和环境责任接受(AER)等中介变量。通径分析表明,法律规范(β = 0.329)、规范信念(β = 0.371)和参与性规范(β = 0.220)对可持续生态旅游的直接影响最强,而EC (β = 0.124)、ANCB (β = 0.074)和AER (β = 0.129)的影响较弱。综合空间和行为因素发现,生态适宜性高的地区同时适合雨养农业,但在法律保护减弱的情况下,易发生土地利用转换。研究结果强调了有针对性的政策干预的必要性,包括加强生态敏感区的执法和以社区为基础的项目,以增强环境责任。
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引用次数: 0
Understanding residents’ support for green tourism in ecologically fragile areas: integrating SEM, fsQCA, and ANN 了解生态脆弱地区居民对绿色旅游的支持:SEM、fsQCA和ANN的整合
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-23 DOI: 10.1016/j.jnc.2025.127205
Quanling Cai , Weidong Chen , Mingxing Wang , Kaisheng Di , Jie Yang
This study investigates how sustainable intelligence shapes residents’ attitudes and their support for sustainable tourism on the Qinghai–Tibet Plateau. Data were collected from 717 residents using a structured questionnaire and analyzed through a multi-method approach combining Partial Least Squares Structural Equation Modeling (PLS-SEM), Fuzzy-Set Qualitative Comparative Analysis (fsQCA), and Artificial Neural Networks (ANN). The research adopts an extended Theory of Planned Behavior (TPB) framework by incorporating sustainable intelligence as a key antecedent influencing residents’ attitudes toward green tourism. The PLS-SEM results demonstrate that sustainable intelligence significantly and positively affects residents’ attitudes, subjective norms, and perceived behavioral control, thereby enhancing their willingness to support green tourism. The fsQCA results identify two optimal configurations leading to high support, underscoring the joint importance of sustainable intelligence and perceived behavioral control. Furthermore, the ANN analysis reveals the nonlinear and complex interrelationships among variables, emphasizing the critical role of residents’ sustainability cognition and behavioral competence. Overall, this study provides a comprehensive and multi-dimensional understanding of residents’ support for green tourism, offering theoretical and practical insights for advancing sustainable tourism development in ecologically fragile regions.
本研究探讨了青藏高原居民对可持续旅游的态度和支持。采用结构化问卷对717名居民进行数据收集,并结合偏最小二乘结构方程模型(PLS-SEM)、模糊集定性比较分析(fsQCA)和人工神经网络(ANN)等多种方法进行分析。本研究采用扩展的计划行为理论(TPB)框架,将可持续智能作为影响居民绿色旅游态度的关键前因。PLS-SEM结果表明,可持续智能显著正向影响居民的态度、主观规范和感知行为控制,从而增强居民支持绿色旅游的意愿。fsQCA结果确定了两种导致高支持的最佳配置,强调了可持续智能和感知行为控制的共同重要性。此外,人工神经网络分析揭示了变量之间的非线性和复杂的相互关系,强调了居民可持续认知和行为能力的关键作用。总体而言,本研究对居民对绿色旅游的支持提供了一个全面、多维的认识,为促进生态脆弱地区旅游业的可持续发展提供了理论和实践见解。
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引用次数: 0
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 : 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
Protected areas with high species, phylogenetic, and functional diversity are complementary and occur in heavily modified Cerrado landscapes 具有高度物种、系统发育和功能多样性的保护区是互补的,并且发生在经过大量修改的塞拉多景观中
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-20 DOI: 10.1016/j.jnc.2025.127204
Rhayane Pires Werneck, Fernando Landa Sobral, Marcus Vinicius Cianciaruso
Human population growth and anthropogenic land-use change are among the greatest threats to global biodiversity. Although protected areas are a cornerstone of conservation strategy, their design often overlooks critical ecological functions and the evolutionary history of species. Here, we evaluated whether species richness, phylogenetic diversity and functional diversity of birds and mammals across 101 protected areas in Brazil’s Cerrado biome are threatened by anthropogenic pressures, and tested the relationships among these three biodiversity dimensions. We report three main findings. First, protected areas with the highest values of both phylogenetic and functional diversity are concentrated in heavily altered landscapes. Second, phylogenetic and functional diversity were only weakly and positively correlated in birds, and not related in mammals. These results show that evolutionary history is not a reliable predictor of ecological function. Therefore, conserving the Cerrado’s biodiversity requires (1) urgent action to mitigate human impacts within protected areas, and (2) targeted strategies that independently address these complementary dimensions of biodiversity. Our findings highlight the need for multifaceted conservation approaches in this threatened biodiversity hotspot.
人口增长和人为土地利用变化是对全球生物多样性的最大威胁。虽然保护区是保护策略的基石,但它们的设计往往忽视了关键的生态功能和物种的进化史。本文分析了巴西塞拉多101个保护区鸟类和哺乳动物的物种丰富度、系统发育多样性和功能多样性是否受到人为压力的威胁,并测试了这三个生物多样性维度之间的关系。我们报告了三个主要发现。首先,系统发育和功能多样性最高的保护区集中在变化严重的景观中。其次,系统发育多样性和功能多样性在鸟类中呈弱正相关,在哺乳动物中不相关。这些结果表明,进化史并不是生态功能的可靠预测指标。因此,保护塞拉多的生物多样性需要:(1)采取紧急行动,减轻人类对保护区的影响;(2)采取有针对性的战略,独立解决生物多样性的这些互补方面。我们的发现强调了在这个受到威胁的生物多样性热点地区需要采取多方面的保护措施。
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引用次数: 0
Assessing 21-Years (2000–2020) vegetation dynamics and climatic response in Afroalpine and Sub-Afroalpine protected areas of Ethiopia using remote sensing 利用遥感评估埃塞俄比亚非洲高山和亚非洲高山保护区21年(2000-2020年)植被动态和气候响应
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-19 DOI: 10.1016/j.jnc.2025.127200
Anteneh Bongasie , Tae-Su Kim , Shraddha Tiwari, Jun-Young Kim, Thakur Dhakal, Gab-Sue Jang
Vegetation serves a critical role in stabilizing and regulating Earth’s systems, necessitating the monitoring of its dynamics for effective ecosystem conservation. Protected areas (PAs) are the key zones for assessing global vegetation responses to environmental change. However, the vegetation dynamics of Ethiopia’s Afroalpine and sub-Afroalpine PAs remain poorly studied, despite their ecological significance, high endemism, and vulnerability to climate change. Therefore, this study explores the vegetation–climate relationships of the Simien Mountains (SM) and Bale Mountains (BM) over a 21-year period (2000–2020) by analyzing time-series normalized difference vegetation index (NDVI), enhanced vegetation index (EVI), temperature and precipitation data derived from remote sensing database. We adopted bivariate ordinary least squares (OLS) regression and Pearson correlation analyses to examine the spatiotemporal patterns and relationships between vegetation dynamics and climatic variables. We observed that both BM and SM exhibited fluctuations in average annual NDVI/EVI values with overall positive trends. NDVI/EVI significantly increased in SM (R = 0.49, 0.51; p = 0.023, 0.017), and insignificant increased trend in BM (R = 0.32, 0.27; p = 0.16, 0.24). Regarding climatic variables, precipitation and temperature trends differed between BM and SM. In BM, both precipitation and temperature showed an increasing trend, whereas in SM, precipitation exhibited an incremental and temperature as a decreased trend. Notably, temperature variations in SM exert a greater influence on vegetation compared to those in BM. This study underscores divergent vegetation-climate responses, implications for biodiversity conservation and offers valuable insights for scholars and decision-makers to monitor vegetation dynamics and to design climate change mitigation strategies aligned with achieving Sustainable Development Goals (SDGs).
植被在稳定和调节地球系统方面起着至关重要的作用,为了有效地保护生态系统,必须监测其动态。保护区是评估全球植被对环境变化响应的关键区域。然而,埃塞俄比亚非洲高山和亚非洲高山保护区的植被动态研究仍然很少,尽管它们具有生态意义,高度地方性和易受气候变化的影响。基于此,本研究通过分析遥感数据库的时间序列归一化植被指数(NDVI)、增强植被指数(EVI)、温度和降水数据,探讨了2000-2020年四眠山(SM)和贝尔山(BM) 21 a的植被—气候关系。采用双变量普通最小二乘(OLS)回归和Pearson相关分析,探讨了植被动态变化与气候变量之间的时空格局和关系。我们观察到BM和SM的年平均NDVI/EVI值都呈现出总体正趋势的波动。SM组NDVI/EVI显著升高(R = 0.49, 0.51; p = 0.023, 0.017), BM组NDVI/EVI升高趋势不显著(R = 0.32, 0.27; p = 0.16, 0.24)。在气候变量方面,降水和温度趋势在东北和东北地区存在差异。BM地区降水和气温均呈增加趋势,SM地区降水呈增加趋势,气温呈减少趋势。值得注意的是,与BM相比,SM温度变化对植被的影响更大。该研究强调了不同的植被-气候响应及其对生物多样性保护的影响,并为学者和决策者监测植被动态和设计与实现可持续发展目标(SDGs)相一致的气候变化减缓战略提供了有价值的见解。
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引用次数: 0
Range dynamics and habitat shifts of Punjab Urial (Ovis vignei punjabiensis) in response to future climatic variability 旁遮普乌拉尔(Ovis vignei punjabiensis)的范围动态和栖息地变化对未来气候变化的响应
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-18 DOI: 10.1016/j.jnc.2025.127199
Maria Neelam, Asma Jabeen
Mountain ungulates across Asia face increasing conservation challenges due to habitat fragmentation, land use change, and climate variability. The Punjab Urial, an endemic wild sheep confined to the Potohar Plateau and Salt Range of northern Pakistan, is particularly vulnerable due to its localized range and habitat specificity. Despite its threatened status, little is known about the species’ spatial ecology or future habitat prospects under climate change. To address this gap, this study employed species distribution modeling to assess current and future habitat suitability of Punjab Urial under projected climatic and land use scenarios. Using a presence-only MaxEnt algorithm and 217 verified occurrence records, we developed habitat suitability models based on a carefully selected set of eight environmental variables. These included bioclimatic, topographic, and anthropogenic predictors, optimized through correlation filtering and ecological relevance. Model performance was evaluated using AUC and omission rates, while habitat suitability outputs were classified into four categories. Future distributions were modeled under SSP2-4.5 and SSP5-8.5 emission scenarios for three time periods (2041–2060, 2061–2080, 2081–2100). The results revealed strong model performance (mean AUC = 0.901). Land Use Land Cover (LULC) was the most influential variable, followed by temperature seasonality and precipitation of the driest month. Suitable habitats were currently concentrated in Khushab, Chakwal, and Jhelum, with preference for moderately rugged terrain and slopes between 20 and 30 degrees. Future projections indicated expansion of suitable areas along the Salt Range, especially under high-emission scenarios. New zones of suitability were identified in Rawalpindi, Talagang, and Kotli Sattian, with evidence of upward altitudinal shifts. However, urban and cultivated areas remained persistently unsuitable, emphasizing the constraint of land use pressure despite climatic favorability. These findings underscore the need for adaptive landscape-level planning that integrates climate resilience, land use regulation, and habitat connectivity to ensure the long-term persistence of Punjab Urial populations.
由于栖息地破碎化、土地利用变化和气候变化,亚洲各地的山地有蹄类动物面临着日益严峻的保护挑战。旁遮普乌拉尔羊是一种局限于巴基斯坦北部波托哈尔高原和盐山脉的特有野生羊,由于其局限的范围和栖息地的特殊性,它特别脆弱。尽管其处于濒危状态,但人们对其在气候变化下的空间生态和未来栖息地前景知之甚少。为了解决这一差距,本研究采用物种分布模型来评估旁遮普乌拉尔在预测的气候和土地利用情景下当前和未来的栖息地适宜性。利用仅存在的MaxEnt算法和217条经过验证的发生记录,我们基于精心挑选的8个环境变量建立了栖息地适宜性模型。其中包括生物气候、地形和人为预测因子,通过相关过滤和生态相关性进行优化。利用AUC和遗漏率对模型性能进行评价,并将生境适宜性输出分为四类。在SSP2-4.5和SSP5-8.5排放情景下,模拟了2041-2060、2061-2080和2081-2100三个时间段的未来分布。结果表明,模型性能良好(平均AUC = 0.901)。土地利用、土地覆被(LULC)是影响最大的变量,其次是温度、季节和最干月降水。适宜的生境目前集中在Khushab、Chakwal和Jhelum,倾向于中等崎岖的地形和坡度在20 - 30度之间。未来的预测表明,沿盐岭的适宜地区将扩大,特别是在高排放情景下。在拉瓦尔品第、塔拉甘和Kotli Sattian发现了新的适宜区,并有海拔向上移动的证据。然而,尽管气候有利,城市和耕地仍然不适合,强调土地利用压力的约束。这些发现强调,需要进行适应性景观级规划,将气候适应能力、土地利用调节和栖息地连通性结合起来,以确保旁遮普乌拉尔人口的长期持续性。
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引用次数: 0
Climatic drivers, future shifts, and conservation implications for Phragmites australis marshes in China 中国芦苇沼泽的气候驱动因素、未来变化及保护意义
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-18 DOI: 10.1016/j.jnc.2025.127201
Peng Zhang , Xianglong Jin , Qiyao Zhang , Anni Bao , Yanjing Lou
The extent to climate factors affects the distribution of widespread plant species and non-zonal wetland vegetation remains uncertain. This study used species distribution models coupled with the data of 256 Herbarium specimens, 270 field surveys points and high-resolution climate datasets, to check the impact of climate change on the distribution of Phragmites australis (a cosmopolitan wetland plant species) marsh in China. The results showed that thermal conditions (the temperature seasonality (Bio4) and the Mean temperature of warmest quarter (Bio10)) have a stronger influence on P. australis marshes than moisture conditions (precipitation seasonality (Bio15)). Niche analysis revealed that Bio4 and Bio10 exhibited unimodal and bimodal patterns (with peaks at 18.09 and 33.09 °C, respectively), whereas Bio15 followed a U-shaped curve, peaking at 150.84 %. By the 2050 s, the potential suitable habitat of P. australis marsh in China is projected to increase by 95.02 % ∼ 147.43 % under four climate scenarios. The surrounding areas of current nature reserves with extensive P. australis marshes are both potential expansion areas under future climate scenarios and regions in need of expanded protection. It can be seen that climatic factors can affect the distribution of widespread species and wetland vegetation, and future vegetation protection planning should take into account the impact of climate factors.
气候因子对广布植物物种和非地带性湿地植被分布的影响程度尚不确定。本文利用256份植物标本馆标本、270个野外调查点和高分辨率气候数据,建立了物种分布模型,探讨了气候变化对芦苇(芦苇是一种世界性湿地植物)在中国湿地分布的影响。结果表明,热条件(温度季节性(Bio4)和最暖季平均温度(Bio10))对南杨沼泽的影响大于湿条件(降水季节性(Bio15))。生态位分析结果显示,Bio4和Bio10表现为单峰型和双峰型,峰值分别为18.09°C和33.09°C,而Bio15表现为u型曲线,峰值为150.84%。在4种气候情景下,预计到2050年中国南菖蒲沼泽的潜在适宜生境将增加95.02% ~ 147.43%。现有自然保护区周边分布着广阔的南桫椤湿地,既是未来气候情景下潜在的扩展区,也是需要扩大保护的区域。可见,气候因素会影响广布物种和湿地植被的分布,未来的植被保护规划应考虑气候因素的影响。
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引用次数: 0
Is monistic taxonomy useful for conservation of biodiversity? 一元分类法对生物多样性保护有用吗?
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-15 DOI: 10.1016/j.jnc.2025.127196
Paolo Casula , Giovanni Amori , Francesco Curreli , Mauro Fois , Luca Luiselli , Michela Marignani , Francesco Palmas , Andrea Sabatini , Leonardo Vignoli
Taxonomic instability arising from pluralism has been difficult to handle for conservationists, as they generally expect from taxonomy a stable nomenclature and species delimitation criteria within a unified species concept. While taxonomic monism, i.e. the search for a unified species concept, can be desirable on theoretical grounds, taxonomic pluralism appears unavoidable on practical or operational grounds. Pluralism, the diversity of views and perspectives about “what and how” to study, is also an intrinsic positive feature of science; thus, it is useful for taxonomic progress. Here, we review relevant insights coming from philosophy of science, taxonomy, biodiversity conservation and socioecological studies to discuss a) what are the objects of conservation of biodiversity, b) links between conservation practice and taxonomy, c) examples showing that taxonomies developed within traditional ecological knowledge systems overlap and complement academic taxonomy and contain relevant biological information for conservation, and d) some consequences of overstating monistic taxonomy in conservation. With a caveat about the risk of overstating pluralistic taxonomy, we underline that developing an intercultural perspective on taxonomies is a necessary step toward understanding different knowledge systems and valuing useful information for effective biodiversity conservation management.
多样性引起的分类学不稳定性对自然资源保护主义者来说是一个难以处理的问题,因为他们通常期望分类学在一个统一的物种概念中有一个稳定的命名法和物种划分标准。虽然分类学一元论,即寻求统一的物种概念,在理论上是可取的,但从实际或操作的角度来看,分类学多元化似乎是不可避免的。多元性,即关于“研究什么和如何研究”的观点和视角的多样性,也是科学固有的积极特征;因此,它对分类学的进展是有用的。本文综述了科学哲学、分类学、生物多样性保护和社会生态学研究的相关见解,讨论了a)生物多样性保护的目标是什么,b)保护实践与分类学之间的联系,c)在传统生态知识体系中发展的分类方法与学术分类方法重叠和互补,并包含相关的保护生物信息的实例。d)在保护中夸大一元分类法的一些后果。在强调多元分类学存在被夸大的风险的同时,我们强调发展跨文化的分类学视角是理解不同知识体系和评估有效生物多样性保护管理有用信息的必要步骤。
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引用次数: 0
Habitat quality in China’s national parks and their surroundings by modifying the InVEST model 基于InVEST模型的中国国家公园及其周边生境质量研究
IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Pub Date : 2025-12-15 DOI: 10.1016/j.jnc.2025.127195
Caiyi Li , Wenpeng Du , Hao Zhang , Liangrui Ge , Ruoang Feng
National parks have gained recognition as nature-based solutions for biodiversity conservation. Habitat quality (HQ) is core metric for reflecting the regional habitats’ suitability for survival and persistence, but the original InVEST HQ module cannot accurately depict HQ dynamics in protected regions. This study measured the HQs in three Chinese national parks by adjusting fixed habitat suitability parameters with vegetation indices, focusing on HQ changes pre- and post- approval and differences between national parks and their surroundings to revealing the policy’s effectiveness. The results revealed that HQs within three national parks were obviously better than those in their surroundings. More importantly, the changing trends in HQs within national parks were significantly better than those in their surroundings during the postapproval phase (2016–2022), which suggested that national park policies played a positive role in habitat conservation. The HQs in all national parks increased during the preapproval phase, but the HQ dynamics differed in the postapproval phase. Specifically, HQs of Wuyishan National Park, Giant Panda National Park and Northeast China Tiger and Leopard National Park fluctuated, increased and decreased, respectively. Natural factors were the dominant factors contributing to HQ differences within national parks. The effects of socioeconomic interactions on HQ in Wuyishan and Giant Panda National Park gradually weakened. However, in Northeast China Tiger and Leopard National Park, socioeconomic interactions increased from 2016 to 2022, which may have contributed to the decrease in the HQ. This study offers a methodological reference for HQ assessment in protected regions and provides scientific support for national park management.
国家公园已被公认为基于自然的生物多样性保护解决方案。生境质量(HQ)是反映区域生境生存适宜性和持久性的核心指标,但原有的InVEST HQ模块无法准确描述保护区的生境动态。本研究通过调整固定生境适宜性参数与植被指数,对中国三个国家公园的总部进行了测量,重点研究了总部在批准前后的变化以及国家公园与周边环境的差异,以揭示政策的有效性。结果表明,3个国家公园内的总部均明显优于周边的总部。更重要的是,在批准后阶段(2016-2022年),国家公园内栖息地的变化趋势明显好于其周围环境,这表明国家公园政策对栖息地保护起到了积极的作用。在批准前阶段,各国家公园的总部数量均有所增加,但在批准后阶段,总部数量的变化趋势有所不同。武夷山国家公园、大熊猫国家公园和东北虎豹国家公园的总部分别出现波动、增加和减少。自然因素是影响国家公园内总指挥部差异的主要因素。社会经济互动对武夷山和大熊猫国家公园总部的影响逐渐减弱。然而,从2016年到2022年,东北虎豹国家公园的社会经济互动有所增加,这可能是导致总部减少的原因。本研究为保护区HQ评价提供了方法论参考,为国家公园管理提供了科学依据。
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Journal for Nature Conservation
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