258 research outputs found

    Regional Response Planning for At-Risk, Vulnerable, or \u27Special\u27 Populations

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    Research and in situ conservation of owl monkeys enhances environmental law enforcement at the Colombian-Peruvian border

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    This study reports on impacts of illegal trade in owl monkeys (Aotus nancymaae, A. vociferans) for the biomedical research market in the Colombian-Peruvian Amazonian border. Through freedom of information requests and interviews with hunters we found that 912 owl monkeys, including A. nancymaae captured in Peru, were trapped over a 3-month period in 2012 to supply a malaria research facility based in Leticia, Colombia, which had trapping permits for the use of only 800 A. vociferans annually yet experimentation took place using A. nancymaae. High levels of extraction in Peru have had population-level impacts with significantly lower densities of Aotus spp. (3-24individuals/km2) compared to Colombian sites with low hunting pressure (26-44individuals/km2). Post-experimental release of this species in Colombian territory has created a new distribution whose status and impacts on resident populations of A. vociferans remain unknown. The trapping method has also had environmental impact, with loss of over 65,000 trees (including sleeping sites), annually. As Aotus species are registered under the Convention of International Trade in Endangered Species of Wild Fauna and Flora (CITES) Appendix II, international trade requires official permission and evidence that extraction does not impact wild populations. However, no official records exist and CITES legislation has failed, due principally to a lack of appropriate monitoring by national authorities responsible for compliance. Of further concern is that we had previously documented and reported the illegal trade to the appropriate governmental authorities yet still no action was taken-as demonstrated by the continuing trade in 2013. Enforcement eventually occurred when a non-governmental organization initiated legal action against organizations responsible. A successful second instance ruling by the Colombian State's Council in 2013 revoked trapping permits. Using the trade in owl monkeys as a case study we consider implementation, compliance, and enforcement of CITES in the border area to identify mechanisms to improve enforcement of environmental legislation. Am. J. Primatol. 76:658-669, 2014. © 2014 Wiley Periodicals, Inc

    Evaluating the application of scale frequency to estimate the size of pangolin scale seizures

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    All eight species of pangolin are principally threatened by overexploitation, both for international trafficking and local use. Much illegal trade involves scales, but there is an absence of robust conversion parameters for estimating the number of different pangolin species in given seizures. Such parameters are critical in order to accurately characterize pangolin trafficking and understand the magnitude and impact of exploitation on populations. In this study, we calculated the number of scales on 66 museum specimens representing all eight extant pangolin species from the genera Manis, Phataginus, and Smutsia, and developed a method for estimating the number of pangolins in given seizures of scales based on scale frequency. Our statistical analyses found significant variation in scale number in inter-species terms (ranging from 382 for Temminck's ground pangolin to 940 for the Philippine pangolin), and in intra-species terms, with substantial variation in the giant pangolin (509–664 scales) and minimal variation in the Chinese pangolin (527–581 scales). We discuss application of the developed sampling method in a real world context and critically appraise it against existing methods. The knowledge generated in this study should assist in understanding pangolin trafficking dynamics, though there remains a need for accurate conversion parameters for estimating the number of pangolins in illegal trade, especially for the Indian and African species

    Movement patterns of forest elephants (Loxodonta cyclotis Matschie, 1900) in the Odzala-Kokoua National Park, Republic of Congo

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    [Otros] Les Ă©lĂ©phants de forĂȘt d'Afrique (Loxodonta cyclotis Matschie, 1900) sont des ingĂ©nieurs en Ă©cologie qui jouent un rĂŽle fondamental dans la dynamique de la vĂ©gĂ©tation. L'espĂšce constitue une prĂ©occupation immĂ©diate pour la conservation, mais elle est relativement peu Ă©tudiĂ©e. Pour combler cette lacune de connaissances, nous avons Ă©tudiĂ© les facteurs de dĂ©placements quotidiens (dĂ©placements linĂ©aires) des Ă©lĂ©phants de forĂȘt Âż caractĂ©risĂ©s par un ensemble de variables gĂ©ographiques, mĂ©tĂ©orologiques et anthropiques Âż dans le Parc National d'OdzalaÂżKokoua, en RĂ©publique du Congo. ConcrĂštement, nous avons utilisĂ© la forĂȘt d'arbres dĂ©cisionnels pour modĂ©liser et dĂ©mĂȘler les principaux facteurs environnementaux rĂ©gissant les dĂ©placements de six Ă©lĂ©phants de forĂȘt, Ă©quipĂ©s de colliers GPS et suivis pendant 16 mois. Les rĂ©sultats ont montrĂ© que les femelles se dĂ©plaçaient plus loin que les mĂąles, tandis que la prĂ©sence de routes ou d¿établissements humains perturbait le comportement des Ă©lĂ©phants, ce qui accĂ©lĂ©rait les dĂ©placements. Les Ă©lĂ©phants de forĂȘt se dĂ©plaçaient plus rapidement dans les cours dÂżeau et dans les forĂȘts dont le sousÂżbois Ă©tait dominĂ© par les forĂȘts de Marantaceae et les bais, mais se dĂ©plaçait plus lentement dans les savanes. Enfin, les zones inondables Âż characterisĂ©es par lÂżaltitude et les prĂ©cipitations accumulĂ©es Âż et les tempĂ©ratures plus Ă©levĂ©es empĂȘchaient des dĂ©placements plus longs. Nous espĂ©rons que ces rĂ©sultats amĂ©lioreront les connaissances sur les mouvements des espĂšces Ă  travers diffĂ©rents habitats, ce qui serait bĂ©nĂ©fique pour la gestion de leur conservation.[EN] African forest elephants (Loxodonta cyclotis Matschie, 1900) are ecological engineers that play a fundamental role in vegetation dynamics. The species is of immediate conservation concern, yet it is relatively understudied. To narrow this knowledge gap, we studied the drivers of daily movement patterns (linear displacements) of forest elephantsÂżcharacterised by a set of geographical, meteorological and anthropogenic variablesÂżin the OdzalaÂżKokoua National Park, Republic of Congo. Explicitly, we used conditional random forest to model and disentangle the main environmental factors governing the displacements of six forest elephants,fitted with GPS collars and tracked over 16 months. Results indicated that females moved further distances than males, while the presence of roads or human settlements disrupted elephant behaviour resulting in faster displacements. Forest elephants moved faster along watercourses and through forest with understory dominated by Marantaceae forests and bais, but moved slower in savannahs. Finally, floodÂżprone areasÂżdescribed by elevation and accumulated precipitationÂżand higher temperatures prevented longer displacements. We expect these results to improve the knowledge on the species movements through different habitats, which would benefit its conservation management.The fieldwork was financed by African Parks. We are grateful to the Congolese wildlife authorities (MinistĂšre de l'Économie ForestiĂšre et de l'Environnement) for the permission to carry out this study, and we are deeply indebted to the director of the OKNP and to the conservation, wildlife monitoring and research manager, Erik Marav, respectively, for their continued support during our study. We are particularly grateful to Dr. Mike Kock, veterinarian, for collaring the elephants and to the field tracking team. We are also grateful to SĂ©an Cahill for the useful comments and English correction that helped improve this manuscript. The authors of the present study certify that they have no affiliations with or involvement in any organisation or entity with any financial or nonfinancial interest in the subject matter or materials discussed in this manuscript.Molina-Vacas, G.; Muñoz-Mas, R.; Martinez-Capel, F.; Rodriguez-Teijeiro, JD.; Le Fohlic, G. (2019). Movement patterns of forest elephants (Loxodonta cyclotis Matschie, 1900) in the Odzala-Kokoua National Park, Republic of Congo. African Journal of Ecology. 58:23-33. https://doi.org/10.1111/aje.12695S233358Arlot, S., & Celisse, A. (2010). A survey of cross-validation procedures for model selection. Statistics Surveys, 4(0), 40-79. doi:10.1214/09-ss054Bermejo, M. (1999). Status and conservation of primates in Odzala National Park, Republic of the Congo. Oryx, 33(4), 323-331. doi:10.1046/j.1365-3008.1999.00081.xBirkett, P. J., Vanak, A. T., Muggeo, V. M. R., Ferreira, S. M., & Slotow, R. (2012). Animal Perception of Seasonal Thresholds: Changes in Elephant Movement in Relation to Rainfall Patterns. PLoS ONE, 7(6), e38363. doi:10.1371/journal.pone.0038363Blake, S., Deem, S. L., Strindberg, S., Maisels, F., Momont, L., Isia, I.-B., 
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 ONDZEANO, C. (2006). Impacts of Roads and Hunting on Central African Rainforest Mammals. Conservation Biology, 20(4), 1251-1261. doi:10.1111/j.1523-1739.2006.00420.xLoarie, S. R., Aarde, R. J. V., & Pimm, S. L. (2009). Fences and artificial water affect African savannah elephant movement patterns. Biological Conservation, 142(12), 3086-3098. doi:10.1016/j.biocon.2009.08.008Maisels, F., Strindberg, S., Blake, S., Wittemyer, G., Hart, J., Williamson, E. A., 
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    Swimming with captive dolphins: current debates and post-experience dissonance

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    Dolphins have widespread contemporary appeal and anthropomorphic social representations of dolphins have fuelled a growing desire in tourist populations to seek interaction with them. This paper is concerned with the staged performance of swim-with-dolphin interaction programmes in aquaria. Qualitative interviews with tourists who have swum with captive dolphins identified their immediate recollections and stressed the grace, size and power of dolphins, but also a belief that the experience was too staged, too short and too expensive. Post-purchase dissonance focused on concerns with the size of enclosures and about captivity, too many tricks, limited interpretation and unfulfilled expectations of a quality interaction

    Elephant poaching and the ivory trade: The impact of demand reduction and enforcement efforts by China from 2005 – 2017

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    African elephants are iconic species threatened by poaching and China was considered as one of the main destinations for illegally sourced ivory. In this article we combine two surveys of ivory carving enterprises with other data sets, including Chinese government seizure statistics, market prices for illegal ivory and substitute goods, to understand the impact of enforcement and demand reduction measures on ivory prices and poaching. Our analysis indicates the strong enforcement measures to combat ivory smuggling temporarily suppressed the tendency of illegal trade while stimulating a steep rise in illegal ivory prices thereafter. Peaking in 2012–2013, prices thereafter fell due to government measures to reduce demand under China's ‘Ecological Civilization’ programme and the announcement of ‘The Eight-point Regulation of the Centre’. Our survey suggests that most Chinese carving enterprises were intending to close or to diversify their business activities away from ivory carving as a result of the total ban on domestic ivory trading by 31st December 2017. And China had banned domestic ivory trade for over half a year and all ivory carving enterprises closed their ivory business activities since this domestic ban. In order to prevent ivory demand in other countries that may undermine Chinese efforts, we argue that other countries now also need to adopt multifaceted actions to curtail their domestic ivory trade

    Towards informed and multi-faceted wildlife trade interventions

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    International trade in wildlife is a key threat to biodiversity conservation. CITES, the Convention on International Trade in Endangered Species of Wild Fauna and Flora, is the primary mechanism for controlling international wildlife trade and seeks to ensure it is sustainable, relying on trade bans and controls. However, there has been little comprehensive review of the effectiveness of CITES. Here, we review typical and atypical approaches taken to regulate wildlife trade in CITES and assert that it boasts few successes. We attribute this to: non-compliance, an over reliance on regulation, lack of knowledge of listed species, ignorance of the reality of market forces, and influence among CITES actors. To more effectively manage trade we argue that interventions need to go beyond regulation and should be multi-faceted, reflecting the complexity of wildlife trade. To inform such interventions we assert an intensive research effort is needed and we outline six key research areas: (1) factors undermining wildlife trade governance at the national level, (2) determining sustainable harvest rates for CITES species, (3) gaining the buy-in of local communities in implementing CITES, (4) supply and demand based market interventions, (5) means of quantifying illicit trade, and (6) political processes and influence within CITES

    Illegal wildlife trade and the persistence of “plant blindness”

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    Societal Impact Statement A wide variety of plant species are threatened by illegal wildlife trade (IWT), and yet plants receive scant attention in IWT policy and research, a matter of pressing global concern. This review examines how “plant blindness” manifests within policy and research on IWT, with serious and detrimental effects for biodiversity conservation. We suggest several key points: (a) perhaps with the exception of the illegal timber market, plants are overlooked in IWT policy and research; (b) there is insufficient attention from funding agencies to the presence and persistence of illegal trade in plants; and (c) these absences are at least in part resultant from plant blindness as codified in governmental laws defining the meaning of “wildlife.” Summary This review investigates the ways in which “plant blindness,” first described by Wandersee and Schussler (1999, p. 82) as “the misguided anthropocentric ranking of plants as inferior to animals,” intersects with the contemporary boom in research and policy on illegal wildlife trade (IWT). We argue that plants have been largely ignored within this emerging conservation arena, with serious and detrimental effects for biodiversity conservation. With the exception of the illegal trade in timber, we show that plants are absent from much emerging scholarship, and receive scant attention by US and UK funding agencies often driving global efforts to address illegal wildlife trade, despite the high levels of threat many plants face. Our article concludes by discussing current challenges posed by plant blindness in IWT policy and research, but also suggests reasons for cautious optimism in addressing this critical issue for plant conservation

    Ethical publication of research on genetics and genomics of biological material: guidelines and recommendations

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    Forensic Science International: Genetics and Forensic Science International: Reports communicate research on a variety of biological materials using genetics and genomic methods. Numerous guidelines have been produced to secure standardization and quality of results of scientific investigations. Yet, no specific guidelines have been produced for the ethical acquisition of such data. These guidelines summarize universally adopted principles for conducting ethical research on biological materials, and provide details of the general procedures for conducting ethical research on materials of human, animal, plant and environmental origin. Finally, the minimal ethics requirements for submission of research material are presented
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