scholarly journals Setting the scene for achievable post-2020 convention on biological diversity targets: A review of the impacts of invasive alien species on ecosystem services in Africa

2020 ◽  
Vol 261 ◽  
pp. 110171 ◽  
Author(s):  
Benis N. Egoh ◽  
Phumza Ntshotsho ◽  
Malebajoa A. Maoela ◽  
Ryan Blanchard ◽  
Lacour M. Ayompe ◽  
...  
NeoBiota ◽  
2020 ◽  
Vol 62 ◽  
pp. 99-121 ◽  
Author(s):  
Franz Essl ◽  
Guillaume Latombe ◽  
Bernd Lenzner ◽  
Shyama Pagad ◽  
Hanno Seebens ◽  
...  

The year 2020 and the next few years are critical for the development of the global biodiversity policy agenda until the mid-21st century, with countries agreeing to a Post-2020 Global Biodiversity Framework under the Convention on Biological Diversity (CBD). Reducing the substantial and still rising impacts of invasive alien species (IAS) on biodiversity will be essential if we are to meet the 2050 Vision where biodiversity is valued, conserved, and restored. A tentative target has been developed by the IUCN Invasive Species Specialist Group (ISSG), and formally submitted to the CBD for consideration in the discussion on the Post-2020 targets. Here, we present properties of this proposal that we regard as essential for an effective Post-2020 Framework. The target should explicitly consider the three main components of biological invasions, i.e. (i) pathways, (ii) species, and (iii) sites; the target should also be (iv) quantitative, (v) supplemented by a set of indicators that can be applied to track progress, and (vi) evaluated at medium- (2030) and long-term (2050) time horizons. We also present a proposed set of indicators to track progress. These properties and indicators are based on the increasing scientific understanding of biological invasions and effectiveness of responses. Achieving an ambitious action-oriented target so that the 2050 Vision can be achieved will require substantial effort and resources, and the cooperation of a wide range of stakeholders.


2021 ◽  
Vol 4 (3) ◽  
pp. 79-93
Author(s):  
Yevhenii Suietnov ◽  
Elbis Tulina

This article is devoted to highlighting the international, European and Ukrainian experience encompassing legal regulation dealing with the invasive alien species that represent the second largest threat to global biodiversity, right after habitat destruction. It has been proved that, at the international level, primarily within the framework of the Convention on Biological Diversity, the ecosystem approach is recognized as the basis in dealing with such species. It is also gradually being reflected in the regulatory framework of the European Union. The provisions of the EU on nature protection and the relevant regulations of the European Commission define invasive species, which are prohibited from activities that may contribute to their dissemination in the environment. In the Ukrainian environmental law, a positive trend towards the recognition of the ecosystem approach in dealing with invasive alien species is observed primarily among national strategic documents, while in current national environmental legislation, these issues are regulated fragmentarily and inconsistently, which indicates the need for its early reform.


2021 ◽  
pp. 110-123
Author(s):  
Yevheniia Mykolaivna Kopytsia ◽  
Ельбіс Євгенівна Туліна

The present paper is devoted to the problems of legal regulation of protecting biological diversity from the harmful effects of invasive alien species (hereinafter, IAS) with regards to climate change. Taking into consideration the fact that one of the main principles of environmental protection is the preservation of spatial and species diversity, legal understanding of the interconnectedness between climate change and harmful biological influences, is of great scientific and practical significance.  Notably, the protection of the environment from the adverse effects of IAS and climate change is interconnected with the conservation and sustainable use of biological resources, as stated by the provisions of the Convention on Biological Diversity (Rio de Janeiro, 1992) and its protocols and decisions. Thus, one should acknowledge that climate change and invasive alien species are not only two of the key threats to biodiversity, but are directly interrelated and can act synergistically, presenting additional pressure for conservation and sustainability.  Meanwhile, current legal regulation of both, climate change and IAS is relatively new to Ukrainian legislation, mostly done by means of international legal instruments. The existing national legal acts are generally of a strategic nature and address these issues separately with few legal provisions mentioning their interconnection. The paper substantiates the need to acknowledge and legally define the interrelation between climate change and invasive alien species. Thus, the development of appropriate regulatory framework for prevention and control of IAS should be carried out with consideration of climate change issues. In turn, national environmental legislation, in particular national framework law ‘On Environmental Protection’ as well climate change policy and laws should be complemented by provisions incorporating IAS management as a tool for reducing pressure on ecological services and enhancing ecosystem resilience.


2007 ◽  
Vol 87 (5) ◽  
pp. 989-992 ◽  
Author(s):  
D. R. Clements ◽  
P. M. Catling

The field of invasive species biology has been growing rapidly in the past decade, spurred on by the US Executive Order on invasive species in 1999. Despite calls to deal with invasive alien species under the International Convention on Biological Diversity in 1992, Canada has been slow to act. Part of the difficulty in managing alien invasive species effectively lies in the lack of ecological knowledge. The Canadian strategy on invasive alien terrestrial plants developed recently by the Canadian Food Inspection Agency sees research as a critical component of the strategy, including study of the biology and ecology of invasive plants. A symposium on ecology and invasive plant species at the Plant Canada meeting in 2007 in Saskatoon served to explore some emerging research in Canada, particularly focusing on Canada’s prairie region. Papers derived from five of the presentations are presented here and illustrate well the continuing challenge of applying ecological principles to the complex issues surrounding invasive plants. Canadian ecologists have made a significant contribution, but much remains to be done along the lines of the simple studies provided in this symposium. Key words: Invasive alien species, prairie region, biodiversity, ecological research


2018 ◽  
Vol 11 (11) ◽  
pp. 4537-4562 ◽  
Author(s):  
HyeJin Kim ◽  
Isabel M. D. Rosa ◽  
Rob Alkemade ◽  
Paul Leadley ◽  
George Hurtt ◽  
...  

Abstract. To support the assessments of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), the IPBES Expert Group on Scenarios and Models is carrying out an intercomparison of biodiversity and ecosystem services models using harmonized scenarios (BES-SIM). The goals of BES-SIM are (1) to project the global impacts of land-use and climate change on biodiversity and ecosystem services (i.e., nature's contributions to people) over the coming decades, compared to the 20th century, using a set of common metrics at multiple scales, and (2) to identify model uncertainties and research gaps through the comparisons of projected biodiversity and ecosystem services across models. BES-SIM uses three scenarios combining specific Shared Socio-economic Pathways (SSPs) and Representative Concentration Pathways (RCPs) – SSP1xRCP2.6, SSP3xRCP6.0, SSP5xRCP8.6 – to explore a wide range of land-use change and climate change futures. This paper describes the rationale for scenario selection, the process of harmonizing input data for land use, based on the second phase of the Land Use Harmonization Project (LUH2), and climate, the biodiversity and ecosystem services models used, the core simulations carried out, the harmonization of the model output metrics, and the treatment of uncertainty. The results of this collaborative modeling project will support the ongoing global assessment of IPBES, strengthen ties between IPBES and the Intergovernmental Panel on Climate Change (IPCC) scenarios and modeling processes, advise the Convention on Biological Diversity (CBD) on its development of a post-2020 strategic plans and conservation goals, and inform the development of a new generation of nature-centred scenarios.


2015 ◽  
pp. 43-51
Author(s):  
Ibolya Csíder

Since the Convention on Biological Diversity a lot of papers have been published how to measure and value biodiversity. In the last decades publications on agro-ecosystems become more frequent and play a significant role in the provision of ecosystem services. There is a uniform definition for biodiversity in general, however, in terms of agro-ecosystems and their services (including biodiversity) many weaknesses can be identified. The objective of this paper is to explore some of these problems with special regard to different definitions and terms and to the farmland ecosystem services. One solution could be to adopt a more complex system which has some ecological and environmental components (air, water and soil pollution) and also takes in to consideration the efficiency of agricultural production.


2018 ◽  
Author(s):  
HyeJin Kim ◽  
Isabel M. D. Rosa ◽  
Rob Alkemade ◽  
Paul Leadley ◽  
George Hurtt ◽  
...  

Abstract. To support the assessments of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), the IPBES Expert Group on Scenarios and Models is carrying out an intercomparison of biodiversity and ecosystem services models using harmonized scenarios (BES-SIM). The goals of BES-SIM are (1) to project the global impacts of land use and climate change on biodiversity and ecosystem services (i.e. nature’s contributions to people) over the coming decades, compared to the 20th century, using a set of common metrics at multiple scales, and (2) to identify model uncertainties and research gaps through the comparisons of projected biodiversity and ecosystem services across models. BES-SIM uses three scenarios combining specific Shared Socio-economic Pathways (SSPs) and Representative Concentration Pathways (RCPs) to explore a wide range of land-use change and climate change futures. This paper describes the rationale for scenarios selection, the process of harmonizing input data for land use, based on the second phase of the Land Use Harmonization Project (LUH2), and climate, the biodiversity and ecosystem service models used, the core simulations carried out, the harmonization of the model output metrics, and the treatment of uncertainty. The results of this collaborative modelling project will support the ongoing global assessment of IPBES, strengthen ties between IPBES and the Intergovernmental Panel on Climate Change (IPCC) scenarios and modelling processes, advise the Convention on Biological Diversity (CBD) on its development of a post-2020 strategic plans and conservation goals, and inform the development of a new generation of nature-centred scenarios.


2014 ◽  
Vol 17 (1) ◽  
pp. 461-475 ◽  
Author(s):  
Kelvin S.-H. Peh ◽  
Andrew Balmford ◽  
Jennifer C. Birch ◽  
Claire Brown ◽  
Stuart H. M. Butchart ◽  
...  

NeoBiota ◽  
2021 ◽  
Vol 68 ◽  
pp. 31-52
Author(s):  
Rakel Blaalid ◽  
Kristin Magnussen ◽  
Nina Bruvik Westberg ◽  
Ståle Navrud

Invasive alien species (IAS) are identified as a major threat to biodiversity and ecosystem services. While early detection and control programs to avoid establishments of new alien species can be very cost-effective, control costs for well-established species can be enormous. Many of these well-established species constitute severe or high ecological impact and are thus likely to be included in control programs. However, due to limited funds, we need to prioritize which species to control according to the gains in ecological status and human well-being compared to the costs. Benefit-Cost Analysis (BCA) provides such a tool but has been hampered by the difficulties in assessing the overall social benefits on the same monetary scale as the control costs. In order to overcome this obstacle, we combine a non-monetary benefit assessment tool with the ecosystem service framework to create a benefit assessment in line with the welfare economic underpinnings of BCA. Our simplified BCA prioritization tool enables us to conduct rapid and cheap appraisals of large numbers of invasive species that the Norwegian Biodiversity Information Centre has found to cause negative ecological impacts. We demonstrate this application on 30 well-established invasive alien vascular plant species in Norway. Social benefits are calculated and aggregated on a benefit point scale for six impact categories: four types of ecosystem services (supporting, provisioning, regulating and cultural), human health and infrastructure impacts. Total benefit points are then compared to the total control costs of programs aiming at eradicating individual IAS across Norway or in selected vulnerable ecosystems. Although there are uncertainties with regards to IAS population size, benefits assessment and control program effectiveness and costs; our simplified BCA tool identified six species associated with robust low cost-benefit ratios in terms of control costs (in million USD) per benefit point. As a large share of public funds for eradication of IAS is currently spent on control programs for other plant species, we recommend that the environmental authorities at all levels use our BCA prioritization tool to increase the social benefits of their limited IAS control budgets. In order to maximize the net social benefits of IAS control programs, environmental valuation studies of their ecosystem service benefits are needed.


2013 ◽  
Vol 6 (1) ◽  
pp. 64-79 ◽  
Author(s):  
Daniel Suarez ◽  
Catherine Corson

Over the past decade, the concept of ecosystem services has become a central guiding framework for environmental conservation. Techniques of valuation, payments to protect ecosystem services, and efforts to put a price on nature increasingly characterize environmental policy. We analyze the 10th Conference of the Parties (COP-10) to the Convention on Biological Diversity (CBD) as a critical moment in the production of ecosystem services as a discourse. Through analysis of specific examples of the rollout, performance, and strategic deployment of ecosystem services, particularly as embodied in The Economics of Ecosystems and Biodiversity project (TEEB) at CBD/COP-10, we illustrate how arguments justifying ecosystem services became persuasive and compelling in the social space of the meeting. We examine the prevalence of a narrative that relies on three successive claims: (1) conservation has failed to conserve biodiversity, which has catalyzed a pending ecological crisis; (2) this crisis is caused by incorrectly priced nature and insufficient financing for conservation; and (3) the economics of ecosystem services provides the means to attract new financial flows, to neutralize political opposition, and to save biodiversity. The CBD/COP-10, we argue, provided a stage for the performance of this narrative, the alignment of actors from the private, public and non-profit sectors around ecosystem services, and the institutionalization of its tenets in policy documents and project financing— all of which worked to constitute the hegemony of ecosystem services. We conclude by asserting that, as conservationists embrace ecosystem services, at the expense of alternative models, they reproduce it as a discourse, thus constituting and reinforcing its hegemony, and the conditions that originally limited their choices.


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