Biodiversity act 10 of 2004 nemba, the following activities in relation. This report summarises the presentations and discussions the workshop on during invasive alien species, held on 17 december 20. Dec 20, 2012 biological invasions are one of the main drivers of biodiversity loss. Some alien species, such as the potato and the tomato, which are originally from south america, have been economically important to europe for hundreds of years. We compiled a database of three ecologically important traits specific leaf area, typical maximum canopy height, individual seed mass for 4473 species sampled over 95 communities 3784 species measured in their native range, 689 species in their introduced range, 207 in both ranges. Natural environment research council project leader. Biocontrol aims to reduce the effects of this phenomenon, and to achieve a situation where the formerly invasive alien plant becomes a non invasive naturalised alien. Trinational risk assessment for aquatic alien invasive species. If these can be publicised and adopted, they will prevent further spread of ias in dublin city because anthropogenic activities constitute the main pathwaysi through which these species spread. Studies estimate that the number of ias in europe has increased by.
Zimmermann5 1departments of zoology and of botany, university of cape town, rondebosch, 7701, south africa 2department of zoology, university of cape town, rondebosch, 7701, south africa 3plant protection research institute, private. The international union for conservation of nature is the global authority on the status of the natural world and the measures needed to safeguard it. Baseline distribution of invasive alien species of union. Invasive alien species ias are nonindigenous species that adversely affect, economically, environmentally or ecologically, habitats where they have been introduced, either accidentally or deliberately, outside their normal past or present distribution. May 24, 2018 invasive alien species ias are species whose introduction andor spread outside their natural past or present distribution threatens biological diversity. Invasive alien species, introduced andor spread outside their natural habitats, have affected native biodiversity in almost every ecosystem type on earth and are one of the greatest threats to biodiversity. Total 173 invasive alien species belonging to 117 genera under 44 families were documented. Invasive species definition clarification and guidance. Invasive alien species framework for the identification of invasive alien species of eu concern env. Whether these species is native or alien in nature, they can only become invasive when they cause harm to any one of the dimensions mentioned in figure 1. Prevention and management of invasive alien species.
The terms alien and invasive are often defined differently by different people and organizations. Invasive alien species are animals, plants, fungi and microorganisms introduced outside of their natural habitat. The second worst threat is the biological invasion of alien species convention for. Us fish and wildlife society invasive species have been identified as one of the four greatest threats to. Alien invasive species are present in singapore and pose a potentially great threat to our biodiversity. Shine introduction to gisp and best practices for prevention and management of invasive alien species j. The niass represents a first step towards a comprehensive and cooperative approach to the management the ias threat in. Studies estimate that the number of ias in europe has increased by as much as 76% since the 1970s.
Aug 23, 2016 invasive alien species ias are a primary threat to global biodiversity, economies and human health 1. Biological diversity, 1992 an alien plant also referred to as exotic, introduced, foreign, nonindigenous or nonnative, is one that has been introduced by humans intentionally or otherwise through human ag. Wto agreement on sanitary and phytosanitary measures 8 2. Notes the report on the status, impacts and trends of alien species that threaten ecosystems, habitats and species. Invasive alien species ias are animals, plants or other organisms that are introduced into places outside their natural range, negatively impacting native. Ias occur in all taxonomic groups, including animals, plants, fungi and microorganisms, and can affect all types of ecosystems. Dec 16, 2012 conclusion invasive alien species ias are the second greatest threat to biological diversity globally and the highest threat on many island ecosystems.
Integrated control of invasive alien plants in terrestrial ecosystems brian van wilgen, dave richardson and steve higgins dr brian van wilgen is the senior scientific advisor for the working for water programme with. The purpose of this report is to raise awareness among key stakeholders, decisionmakers, policymakers and the general public about the environmental and socioeconomic impacts of ias. Reaser overview of international instruments addressing invasive alien species c. A list of alien invasive species was published and the list can be found at. Invasive alien species framework for the identification of. Its aim is to enable the general public amateurs and professionals to receive and share information about invasive alien species ias in europe. Why the problem of invasive alien species requires an urgent response 2.
Species that have become established in areas outside their natural range are known as alien species. In order to address the problem effectively, it is essential to. It was prepared based on history, species origin, species behavior and field observations. Since the 17th century, invasive alien species have contributed to nearly 40% of all animal extinctions for which the cause is known cbd. In their new ecosystems, invasive alien species become predators, competitors, parasites, hybridizers, and diseases of our native and domesticated plants and animals.
Invasive alien species ias may have farreaching and harmful effects on the environment and natural resources for generations. Conclusion invasive alien species ias are the second greatest threat to biological diversity globally and the highest threat on many island ecosystems. The impacts of invasive alien species in europe european. An inventory of invasive alien species in china 9 lambertini m, leape j, martonlefevre j, mittermeier ra, rose m, robinson jg, s tuart sn, w aldman b, genovesi p 2011 inv asives. Biological invasions are one of the main drivers of biodiversity loss. From cane toads to kudzu, invasive species sometimes called alien species are those that arent native to an ecosystem and that cause harm to native species, local economies or humans. In its native range, a species will be kept in check by environmental factors and predators. This paper is not meant to be alarmist, but attempts to present the nature of the problem, how other countries have dealt with it, and what we in singapore can do to address it. Global threats from invasive alien species in the twenty. Aug 15, 2016 use these forms to apply for a permit to move or use species covered by the eu invasive alien species regulation for a permit to use listed invasive non native animals and plants for research. Invasive alien species in europe although alien species have been entering europe for centuries, their numbers have risen exponentially in the last 50 years, principally as a result of increased trade and travel. According to the world conservation union, invasive alien species are the second most significant threat to biodiversity, after habitat loss.
Many alien species become invasive, competing against or preying on native species, which can lead to their extinction and eventual ecological devastation. For the details of the act, please refer to the following documents. This app is developed by the joint research centre, the inhouse science service of the european commission. Eu policy on invasive alien species invasive alien species is a crossborder issue par excellence one that cannot be solved by national measures alone.
Invasive alien species are a group of species that are both alien exotic and invasive. Of the 395 european native species listed as critically endangered by the iucn red list of threatened species, 110 are in danger because of invasive alien species. The adverse environmental impacts such as alteration of habitat and species composition have been experienced due to some alien species. Invasive alien species is a special project of the secretariat of the convention on biological diversity. Biological control of alien, invasive pine trees pinus. If these can be publicised and adopted, they will prevent further spread of ias in dublin city because anthropogenic activities constitute. Generally, alien species do not pose a significant risk and many are even beneficial. Each section finishes with a game or puzzle to help you remember the important points. The aim of the workshop was to allow an exchange of views on the new proposal for a regulation on the prevention and. An invasive species is a species that is not native to a specific location an introduced species, and that has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health the term as most often used applies to introduced species that adversely affect the habitats and bioregions they invade economically, environmentally, or ecologically. Pdf an inventory of invasive alien species in china. The threat of invasion at any given location has been shown to increase with the rate at. Alien species invasions are a growing pressure on the natural world, which are extremely difficult to reverse.
Invasive species have the potential to provide a suitable habitat or food source for other organisms. Baseline distribution of invasive alien species of union concern. Invasive alien species represent a critical threat to natural ecosystems and native biodiversity, as well as to human economic vitality and health. Biodiversity act 10 of 2004 nemba, the following activities in relation to listed alien and invasive species are prohibited without a permit. Invasive alien species are introduced species that become established in a new environment, then proliferate and spread in ways that are destructive to human interests and natural systems.
According to a national survey of invasive alien species in china, there are 265 species of invasive alien plants and 171 species of invasive alien animals in china, most of which are widely. Alien and invasive species lists, 2016 government gazette notice. Ecosystems caused by invasive alien species ias through regulating raising, planting, storing, carrying hereinafter raising, importing, or other handling of invasive alien species and through taking measures such as the mitigation of ias by the national government and other entities, with the aim. Ias not only represent a threat to native species of fauna and flora but can also result in major disruption to ecosystem health, with resulting damage and loss of. Invasive species news and scientific articles on live. Dublin city council invasive alien species action plan. Others, known as invasive alien species, create serious problems. Invasive alien species european commission european union. Title baseline distribution of invasive alien species of union concern abstract a current eu geographical distribution of spatial information for the 37 invasive alien species ias of union concern ias regulation 11432014 is set, based on the best available knowledge, resulting from an assessment. Invasive alien species ias are non indigenous species that adversely affect, economically, environmentally or ecologically, habitats where they have been introduced, either accidentally or deliberately, outside their normal past or present distribution. Invasive alien species action plan for dublin city page 6 the importance of implementing biosecurity measures is stressed. In south africa, over 200 introduced plant species are regarded as invasive. The knowledge gained to date in understanding and combating invasive alien species can form a useful basis on which to build strategies for controlling or minimizing the effects in the future. Globally, invasive alien species ias are considered to be one of the major threats to native biodiversity, with the international union for conservation of nature.
Forging cooperation throughout south and southeast asia, cohosted by the royal thai government2 in collaboration with the government of the. The humanmediated spread of species has occurred throughout history. Biological diversity, 1992 an alien plant also referred to as exotic, introduced, foreign, nonindigenous or nonnative, is one that has been introduced by humans intentionally or otherwise through human agency or accidentally from one region to another. An alien species animal, plant or microorganism is one that has been introduced as a result of human activity to an area it could not have reached on its own. For a species to become invasive, it must successfully outcompete native organisms, spread through its new environment, increase in population density and harm ecosystems in its introduced range. Invasive alien species are one of the main threats to biodiversity. Synonymous terms such as nonnative species or nonindigenous species are more precise and should be used in preference to terms as introduced, exotic, feral. Invasive alien species ias can have very severe effects on new environments. Invasive alien species nonnative animals and plants. A brief overview an invasive species is a nonnative also known as an alien species that does or is likely to cause economic or environmental harm or harm to human health. Indicative costs of some invasive alien species 7 2. In this guidebook, alien or exotic species are those that have been introduced to.
Invasive alien species ias an alien species that has established and spread, and which causes, or has the potential to cause, harm to the environment, economies, or human health. Invasive alien species ias are a primary threat to global biodiversity, economies and human health 1. Sometimes species commonly found in one part of canada become established outside their natural range in another region of the. Invasive alien species what is an invasive alien species. To summarize, for an alien species to become invasive, it. Invasive species cause competition for native species and because of this 400 of the 958 endangered species under the endangered species act are at risk. Alien, outside its native range exotic, introduced, weedy, nonindigenous not normally part of ecosystem established, selfsustaining population 10% rule 10% survive 10% of these become invasive human activities involved what is an invasive species. Invasive alien species ias are any species that are not native to an area but which are able to establish themselves and often spread quickly, causing environmental or economic damage. Gn 864 in gg 40166 of 29 july 2016 commencing date. Across the world, many species of plants, animals and even microorganisms have moved beyond their native range and habitat only to become established in a completely new location.