21 research outputs found
Hunting and sale of Pangolins across Sub-Saharan Africa: a preliminary analysis
Pangolins (Pholidota: Manidae) are hunted and traded for their meat and scales. We conducted preliminary analyses on the hunting and sale at markets of four species of pangolin across Sub-Saharan Africa based on data from the OFFTAKE database. Our analyses show that all four species of African pangolin are hunted and sold at markets throughout much of Sub-Saharan Africa. The proportion of pangolins as part of the total vertebrates hunted has increased significantly during the 43 years, from 1972-2014, for which we have data
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Interactions among the sustainable development goals âŠand why they are important
The UN Sustainable Development Goals (SDGs) are a comprehensive, internationally agreed-upon set of objectives aiming to vastly improve economic, social and planetary well-being. How exactly to achieve these goals is now a point of discussion at many fora around the world. At one such forum, a Wilton Park Roundtable, an international group of stakeholders and experts found the efficiency of implementation to be a central issue. This efficiency in turn is related to the fact that the goals are all interconnected: In some cases steps towards achieving one goal may hinder the achievement of one or more other goals, leading to unintended âtrade-offsâ, or inefficiencies in implementation. But at least as often, actions towards a particular goal can have a positive influence on other goals, setting up beneficial âsynergiesâ among the SDGs. Actions that take advantage of these synergies are key to implementing them efficiently because many different goals can be achieved at the same time and fewer resources are needed to achieve the whole set of goals. Saving resources would be a major payoff to countries confronted with the high costs of implementing the SDGs. The challenge now is to sort through the large number of possible interactions among SDGs to uncover and exploit the most important synergies while minimising the effects of trade-offs. Much can be done to achieve this at all levels, from local to global, including raising awareness about SDG interactions, reorienting investments, and reforming governance
Landscape-wide changes in land use and land cover correlate with, but rarely explain local biodiversity change
Context
There is an ongoing debate whether local biodiversity is declining and what might drive this change. Changes in land use and land cover (LULC) are suspected to impact local biodiversity. However, there is little evidence for LULC changes beyond the local scale to affect biodiversity across multiple functional groups of species, thus limiting our understanding of the causes of biodiversity change.
Objectives
Here we investigate whether landscape-wide changes in LULC, defined as either trends in or abrupt changes in magnitude of photosynthetic activity, are driving bird diversity change.
Methods
Linking 34 year (1984â2017) time series at 2745 breeding bird survey (BBS) routes across the conterminous United States of America with remotely-sensed Landsat imagery, we assessed for each year what proportion of the landscape surrounding each BBS route changed in photosynthetic activity and tested whether such concomitant or preceding landscape-wide changes explained changes in bird diversity, quantified as relative abundance (geometric mean) and assemblage composition (BrayâCurtis index).
Results
We found that changes in relative abundance was negatively, and assemblage composition positively, correlated with changes in photosynthetic activity within the wider landscape. Furthermore, landscape-wide changes in LULC in preceding years explained on average more variation in bird diversity change than concomitant change. Overall, landscape-wide changes in LULC failed to explain most of the variation in bird diversity change for most BBS routes regardless whether differentiated by functional groups or ecoregions.
Conclusions
Our analyses highlight the influence of preceding and concomitant landscape-wide changes in LULC on biodiversity
Towards understanding interactions between Sustainable Development Goals: the role of environmentâhuman linkages
Only 10 years remain to achieve all Sustainable Development Goals (SDGs) globally, so there is a growing need to increase the effectiveness and efficiency of action by targeting multiple SDGs. The SDGs were conceived as an âindivisible wholeâ, but interactions between SDGs need to be better understood. Several previous assessments have begun to explore interactions including synergies and possible conflicts between the SDGs, and differ widely in their conclusions. Although some highlight the role of the more environmentally-focused SDGs in underpinning sustainable development, none specifically focuses on environment-human linkages. Assessing interactions between SDGs, and the influence of environment on them, can make an important contribution to informing decisions in 2020 and beyond.
Here, we review previous assessments of interactions among SDGs, apply an influence matrix to assess pairwise interactions between all SDGs, and show how viewing these from the perspective of environment-human linkages can influence the outcome.
Environment, and environment-human linkages, influence most interactions between SDGs. Our action-focused assessment enables decision makers to focus environmental management to have the greatest impacts, and to identify opportunities to build on synergies and reduce trade-offs between particular SDGs. It may enable sectoral decision makers to seek support from environment managers for achieving their goals.
We explore cross-cutting issues and the relevance and potential application of our approach in supporting decision making for progress to achieve the SDGs
Shortfalls and Solutions for Meeting National and Global Conservation Area Targets
Governments have committed to conserving greater than or equal to 17% of terrestrial and greater than or equal to 10% of marine environments globally, especially areas of particular importance for biodiversity through ecologically representative Protected Area (PA) systems or other area-based conservation measures , while individual countries have committed to conserve 3-50% of their land area. We estimate that PAs currently cover 14.6% of terrestrial and 2.8% of marine extent, but 59-68% of ecoregions, 77-78% of important sites for biodiversity, and 57% of 25,380 species have inadequate coverage. The existing 19.7 million km super(2) terrestrial PA network needs only 3.3 million km super(2) to be added to achieve 17% terrestrial coverage. However, it would require nearly doubling to achieve, cost-efficiently, coverage targets for all countries, ecoregions, important sites, and species. Poorer countries have the largest relative shortfalls. Such extensive and rapid expansion of formal PAs is unlikely to be achievable. Greater focus is therefore needed on alternative approaches, including community- and privately managed sites and other effective area-based conservation measures
Developing ecosystem service indicators: experiences and lessons learned from sub-global assessments and other initiatives
People depend upon ecosystems to supply a range of services necessary for their survival and well-being. Ecosystem service indicators are critical for knowing whether or not these essential services are being maintained and used in a sustainable manner, thus enabling policy makers to identify the policies and other interventions needed to better manage them. As a result, ecosystem service indicators are of increasing interest and importance to governmental and inter-governmental processes, including amongst others the Convention on Biological Diversity (CBD) and the Aichi Targets contained within its strategic plan for 2011-2020, as well as the emerging Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES). Despite this growing demand, assessing ecosystem service status and trends and developing robust indicators is o!en hindered by a lack of information and data, resulting in few available indicators. In response, the United Nations Environment Programme World Conservation Monitoring Centre (UNEP-WCMC), together with a wide range of international partners and supported by the Swedish International Biodiversity Programme (SwedBio)*, undertook a project to take stock of the key lessons that have been learnt in developing and using ecosystem service indicators in a range of assessment contexts. The project examined the methodologies, metrics and data sources employed in delivering ecosystem service indicators, so as to inform future indicator development. This report presents the principal results of this project
Egg and skin collections as a resource for long-term ecological studies
Volume: 123AStart Page: 165End Page: 17
PREDICTS: Projecting Responses of Ecological Diversity in Changing Terrestrial Systems
The PREDICTS project (www.predicts.org.uk) is a three-year NERC-funded project to model and predict at a global scale how local terrestrial diversity responds to human pressures such as land use, land cover, pollution, invasive species and infrastructure. PREDICTS is a collaboration between Imperial College London, the UNEP World Conservation Monitoring Centre, Microsoft Research Cambridge, UCL and the University of Sussex. In order to meet its aims, the project relies on extensive data describing the diversity and composition of biological communities at a local scale. Such data are collected on a vast scale through the committed efforts of field ecologists. If you have appropriate data that you would be willing to share with us, please get in touch ([email protected]). All contributions will be acknowledged appropriately and all data contributors will be included as co-authors on an open-access paper describing the database.</p
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call for data: PREDICTS: Projecting Responses of Ecological Diversity in Changing Terrestrial Systems
The PREDICTS project (www.predicts.org.uk) is a three-year NERC-funded project to model and predict at a global scale how local terrestrial diversity responds to human pressures such as land use, land cover, pollution, invasive species and infrastructure. PREDICTS is a collaboration between Imperial College London, the UNEP World Conservation Monitoring Centre, Microsoft Research Cambridge, UCL and the University of Sussex. In order to meet its aims, the project relies on extensive data describing the diversity and composition of biological communities at a local scale. Such data are collected on a vast scale through the committed efforts of field ecologists. If you have appropriate data that you would be willing to share with us, please get in touch ([email protected]). All contributions will be acknowledged appropriately and all data contributors will be included as co-authors on an open-access paper describing the database