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  • 1
    In: Ecology, Wiley, Vol. 103, No. 6 ( 2022-06)
    Abstract: Mammals are threatened worldwide, with ~26% of all species being included in the IUCN threatened categories. This overall pattern is primarily associated with habitat loss or degradation, and human persecution for terrestrial mammals, and pollution, open net fishing, climate change, and prey depletion for marine mammals. Mammals play a key role in maintaining ecosystems functionality and resilience, and therefore information on their distribution is crucial to delineate and support conservation actions. MAMMALS IN PORTUGAL is a publicly available data set compiling unpublished georeferenced occurrence records of 92 terrestrial, volant, and marine mammals in mainland Portugal and archipelagos of the Azores and Madeira that includes 105,026 data entries between 1873 and 2021 (72% of the data occurring in 2000 and 2021). The methods used to collect the data were: live observations/captures (43%), sign surveys (35%), camera trapping (16%), bioacoustics surveys (4%) and radiotracking, and inquiries that represent less than 1% of the records. The data set includes 13 types of records: (1) burrows | soil mounds | tunnel, (2) capture, (3) colony, (4) dead animal | hair | skulls | jaws, (5) genetic confirmation, (6) inquiries, (7) observation of live animal (8), observation in shelters, (9) photo trapping | video, (10) predators diet | pellets | pine cones/nuts, (11) scat | track | ditch, (12) telemetry and (13) vocalization | echolocation. The spatial uncertainty of most records ranges between 0 and 100 m (76%). Rodentia ( n  =31,573) has the highest number of records followed by Chiroptera ( n  = 18,857), Carnivora ( n  = 18,594), Lagomorpha ( n  = 17,496), Cetartiodactyla ( n  = 11,568) and Eulipotyphla ( n  = 7008). The data set includes records of species classified by the IUCN as threatened (e.g., Oryctolagus cuniculus [ n  = 12,159], Monachus monachus [ n  = 1,512], and Lynx pardinus [ n  = 197]). We believe that th is data set may stimulate the publication of other European countries data sets that would certainly contribute to ecology and conservation‐related research, and therefore assisting on the development of more accurate and tailored conservation management strategies for each species. There are no copyright restrictions; please cite this data paper when the data are used in publications.
    Type of Medium: Online Resource
    ISSN: 0012-9658 , 1939-9170
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2022
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    detail.hit.zdb_id: 2010140-5
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Elsevier BV ; 2020
    In:  Environmental Impact Assessment Review Vol. 81 ( 2020-03), p. 106337-
    In: Environmental Impact Assessment Review, Elsevier BV, Vol. 81 ( 2020-03), p. 106337-
    Type of Medium: Online Resource
    ISSN: 0195-9255
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2020
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    detail.hit.zdb_id: 770625-X
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  • 3
    In: Journal of Ecology, Wiley
    Abstract: Nas florestas tropicais, cerca de 60 a 80% das espécies de plantas lenhosas dependem da interações planta‐animal para dispersão de suas sementes. Essa dependência torna a interação muito frágil face às mudanças antropogênicas no uso da terra. A interrupção dos processos de dispersão de sementes, principalmente a dispersão zoocórica, pode alterar significativamente o potencial de armazenamento de carbono a longo prazo das florestas tropicais. Uma questão importante é como a estrutura da paisagem altera os estoques de carbono das árvores em diferentes tipos de vegetação tropical e como a variação é mediada pelo modo de dispersão de sementes dispersas por animais (zoocóricas) ou abióticas (não zoocóricas). Nós nos concentramos em parcelas de árvores em 126 locais no Brasil, abrangendo quatro tipos de vegetação florestal e de savana, e calculamos o carbono armazenado em espécies zoocóricas, não zoocóricas e dispersas por grandes frugívoros. Nossos resultados mostraram que os estoques de carbono em espécies zoocóricas e não zoocóricas diferem significativamente entre os tipos de vegetação, com as florestas ombrófilas apresentando estoques mais elevados em espécies zoocóricas e as florestas decíduas tendo valores mais elevados em espécies não zoocóricas. Uma maior área de vegetação nativa promove maiores proporções de estoques de carbono dispersos por grandes espécies frugívoras, enquanto um índice médio de forma mais elevado reduz essa proporção. Síntese . Este estudo destaca que o tipo de dispersão de sementes sustenta a variação nos estoques de carbono entre os tipos de vegetação e que a manutenção do habitat de grandes dispersores e a conectividade são fundamentais para reter os estoques de carbono em espécies zoocóricas, particularmente na floresta ombrófila e no cerrado sensu stricto.
    Type of Medium: Online Resource
    ISSN: 0022-0477 , 1365-2745
    Language: English
    Publisher: Wiley
    Publication Date: 2024
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    detail.hit.zdb_id: 2004136-6
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  • 4
    In: Environmental Management, Springer Science and Business Media LLC, Vol. 67, No. 2 ( 2021-02), p. 412-423
    Type of Medium: Online Resource
    ISSN: 0364-152X , 1432-1009
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 1478932-2
    detail.hit.zdb_id: 131372-1
    SSG: 12
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  • 5
    Online Resource
    Online Resource
    Elsevier BV ; 2023
    In:  Biological Conservation Vol. 280 ( 2023-04), p. 109952-
    In: Biological Conservation, Elsevier BV, Vol. 280 ( 2023-04), p. 109952-
    Type of Medium: Online Resource
    ISSN: 0006-3207
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2023
    detail.hit.zdb_id: 1496231-7
    SSG: 12
    SSG: 23
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  • 6
    In: Global Ecology and Biogeography, Wiley, Vol. 30, No. 11 ( 2021-11), p. 2200-2210
    Abstract: The road network is increasing globally but the consequences of roadkill on the viability of wildlife populations are largely unknown. We provide a framework that allows us to estimate how risk of extinction of local populations increases due to roadkill and to generate a global assessment that identifies which mammalian species are most vulnerable to roadkill and the areas where they occur. Location Global. Time period 1995–2015. Major taxa studied Terrestrial mammals. Methods We introduce a framework to quantify the effect of roadkill on terrestrial mammals worldwide that includes three steps: (a) compilation of roadkill rates to estimate the fraction of a local population killed on the roads, (b) prediction of population risk of extinction based on observed roadkill rates (for a target group of species of conservation concern and non‐threatened species with high roadkill rates), and (c) global assessment of vulnerability to roadkill for 4,677 terrestrial mammalian species estimated using phylogenetic regression models that link extinction risk to demographic parameters. Results We identified four populations among the 70 species in the target group that could become extinct in 50 years if observed roadkill levels persist in the study areas: maned wolf Chrysocyon brachyurus (Brazil), little spotted cat Leopardus tigrinus (Brazil), brown hyena Hyaena brunnea (Southern Africa) and leopard Panthera pardus (North India). The global assessment revealed roadkill as an added risk for 2.7% ( n  = 124) terrestrial mammals, including 83 species Threatened or Near Threatened. We identified regions of concern that have species vulnerable to roadkill with high road densities in areas of South Africa, central and Southeast Asia, and the Andes. Main conclusions Our framework revealed populations of threatened species that require special attention and can be incorporated into management and planning strategies informing road managers and conservation agencies.
    Type of Medium: Online Resource
    ISSN: 1466-822X , 1466-8238
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 1479787-2
    detail.hit.zdb_id: 2021283-5
    SSG: 12
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  • 7
    In: Global Ecology and Biogeography, Wiley, Vol. 31, No. 9 ( 2022-09), p. 1756-1783
    Abstract: Roads are a major threat for wildlife, degrading habitat and causing mortality via wildlife–vehicle collisions. In Latin America, the conjunction of high biodiversity and a rapidly expanding road network is reason for concern. We introduce an approach that combines species traits and habitat preferences to describe vulnerability and map areas of high roadkill risk. Thus, we present the first assessment of roadkill impacts for Latin American birds and mammals. Location Latin America. Time period 1994–2020. Major taxa studied Birds and mammals. Methods We compiled data from 85 roadkill surveys from Latin America that provided 1,691 roadkill rate estimates for 346 bird and 159 mammalian species, from which 520 rates from 249 birds and 457 rates from 103 mammals were used for analyses. We applied random forest models to predict observed roadkill rates considering species traits, habitat preferences and the geographical coordinates of each study to control for local and regional variation. Fitted models were used to predict spatial risks on Latin American roads for roadkilled birds and mammals across their areas of habitat. Results We found higher roadkill rates for larger birds and medium‐sized mammals with faster reproduction (more clutches/litters per year and early maturity ages), higher population densities and wider use of habitats that included anthropized areas. In mammals, scavengers and those with diets based on invertebrates showed higher rates. Spatial predictions revealed higher rates on roads across Central America, northern Andean regions, eastern Brazil, Uruguay, central and eastern Argentina and southern Chile. Main conclusions This first comprehensive assessment for Latin America explores various drivers of roadkill risk for birds and mammals and identifies species and areas where existing roads can impact wildlife. Trait‐based models fine‐tuned with realistic spatial information that accounts for habitat suitability provide a valuable tool for the assessment of human impacts, including roads and traffic.
    Type of Medium: Online Resource
    ISSN: 1466-822X , 1466-8238
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2022
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    SSG: 12
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  • 8
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2021
    In:  Scientific Reports Vol. 11, No. 1 ( 2021-11-19)
    In: Scientific Reports, Springer Science and Business Media LLC, Vol. 11, No. 1 ( 2021-11-19)
    Abstract: Roads pose an imminent threat to wildlife directly through mortality and changes in individual behavior, and also indirectly through modification of the amount and configuration of wildlife habitat. However, few studies have addressed how these mechanisms interact to determine species response to roads. We used structural equation modeling to assess direct and indirect effects (via landscape modification) of roads on space use by jaguars in Brazil, using radio-tracking data available from the literature. We fit path models that directly link jaguars’ space use to roads and to land cover, and indirectly link jaguars’ space use to roads through the same land cover categories. Our findings show that space use by jaguars was not directly affected by roads, but indirect effects occurred through reductions in natural areas on which jaguars depend, and through urban sprawl. Males´ space use, however, was not negatively influenced by urban areas. Since jaguars seem to ignore roads, mitigation should be directed to road fencing and promoting safe crossings. We argue that planners and managers need to much more seriously take into account the deforestation and the unbridled urban expansion from roads to ensure jaguar conservation in Brazil.
    Type of Medium: Online Resource
    ISSN: 2045-2322
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2615211-3
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  • 9
    Online Resource
    Online Resource
    Pensoft Publishers ; 2022
    In:  Nature Conservation Vol. 47 ( 2022-03-25), p. 1-8
    In: Nature Conservation, Pensoft Publishers, Vol. 47 ( 2022-03-25), p. 1-8
    Type of Medium: Online Resource
    ISSN: 1314-3301 , 1314-6947
    Language: Unknown
    Publisher: Pensoft Publishers
    Publication Date: 2022
    detail.hit.zdb_id: 2667603-5
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  • 10
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2023
    In:  Biodiversity and Conservation
    In: Biodiversity and Conservation, Springer Science and Business Media LLC
    Abstract: Roads impact wildlife around the world; however, dedicated studies are lacking in many biodiverse areas such as the Amazon. Identifying which species are more often hit by vehicles and which landscape and road-related features promote roadkill is essential to guide future development and ensure adequate mitigation actions. For six months, we monitored 240 km of roads in the Ecuadorian Amazon and recorded 1125 dead vertebrates (149 species). Reptiles were the most observed Class with 380 individuals (56 species), followed by amphibians with 278 individuals (11 species), birds with 259 individuals (62 species), and mammals with 208 individuals (20 species). We used Random Forest models to explore the role of various land cover types and road sinuosity on the observed mortality. Additionally, we created heatmaps to visualize the road segments where roadkills were more frequent. For all vertebrates, mortality was more likely in straight road sections near rivers. The effects of other variables were taxa-specific. Amphibian mortality was more likely near bare soil or forest, birds and mammals died more often near herbaceous-shrubby vegetation, and reptile mortality occurred more often in areas with high cover of agriculture. Road segments with high mortality (i.e., roadkill hotspots) varied across taxa. These hotspots identify areas where further research into mitigation is needed to assess road impacts and prevent collisions. Among records, we found rare and threatened species, for which road mortality could be a significant threat. Roadkill surveys not only aid in quantifying threats and informing future planning but can also provide insight into local biodiversity.
    Type of Medium: Online Resource
    ISSN: 0960-3115 , 1572-9710
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2023
    detail.hit.zdb_id: 2000787-5
    SSG: 12
    SSG: 23
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