This indicator is calculated from data derived from two annually updated datasets.

(1) (a) National Legislation considered relevant to the prevention of introduction of invasive alien species and control.

All countries currently party to the Convention on Biological Diversity were considered in the analysis (n = 195), excluding the European Union as an entity. Data for five countries were not comparable and were not included.

This indicator analysed national legislation relevant to IAS. Across countries, IAS relevant policies are found in legislations, regulations and acts related to the Environment, Forestry, Plant health, Animal health, Fisheries, Water, Species including Wild Fauna and Flora and Genetically Modified Organism (GMO). Most countries adopt a sectoral approach to IAS management. A few have adopted a more focused approach- one example is the 2014 Regulation (EU) No 1143/2014 of the European Parliament on the prevention and management of the introduction and spread of invasive alien species.

The 2010 and 2016 data considered national legislation related to invasive alien species in an overall perspective. The 2020 update included thematic sectors. To quantify adoption of IAS relevant policies, seven national legislation sectors were considered; animal health, plant health, environment (including protected areas and wildlife protection), biosecurity, fisheries and aquaculture (including wetlands and marine legislation), invasive alien species, and others (including hunting well as policy on particular species, such as the Giant African Snail, Achatina fulica). Examples of national legislation focused on IAS specifically were noted.

(1) (b) National Biodiversity Strategy and Action Plan (NBSAP) targets alignment to Aichi Biodiversity target 9 set out in the Strategic Plan for Biodiversity 2011-2020.

All countries currently party to the Convention on Biological Diversity were considered in the analysis (n = 195), excluding the European Union as an entity. This indicator measured whether countries firstly had targets related to IAS management in their NBSAPS, and secondly, whether these targets were aligned to Aichi Biodiversity Target 9.

NBSAPs are a key policy instrument that reflect, how national biodiversity strategies intend to fulfil the obligations of the CBD, and how the related action plans outline the steps to be taken to meet these goals. All parties to the CBD are obligated to revise their NBSAPs to reflect compliance with the revised Strategic Plan and Aichi Targets.

Part (1a) and (1b) were calculated as follows:

National strategies for preventing and controlling invasive alien species, underpinned by national policy and legislation for effective management of biological invasions.

The components of this sub-indicator are calculated as the number of countries with (a) national legislation and policy relevant to Invasive alien species concerns; and (b) national strategies for preventing and controlling invasive alien species, each divided by the total number of countries (196 to date) for which data are available. The first data point for component (1) (a) of this sub-indicator is 2010; the first data point for component (1)(b) is 2016.

Both Part 1a and Part 1b are incorporated in the SDG Database as ER_IAS_LEGIS and ER_IAS_NBSAP respectively. Regional and global series are also incorporated for the latter, as ER_IAS_NBSAPP.

Part (2) Indicator: The translation of policy arrangements into action by countries to implement policy and actively prevent and control invasive alien species and the resourcing of this action.

(2) Online survey on Policy responses, mandate, legal authority, and resourcing to manage the threat of invasive alien species.

An online survey was developed and submitted to all listed NSOs, CBD National focal points (in cases of absence of NSOs or lack of response) to obtain an insight into the allocation of resources to the management of invasive alien species. 142 of the 196 countries completed the survey. Considering the difficulty in obtaining information on the level of national investment on invasive alien species issues, proxy indicators were used to measure the allocation of resources by individual countries, such as “does the country have a dedicated and staffed program for invasive alien species management”.

This sub-indicator is calculated as the number of national respondents to the annual survey on invasive alien species response financing reporting availability of sufficient resources, divided by the total number of countries (142 to date) for which data are available. The first data point for this sub-indicator is 2016. Part 2 encompasses 18 specific components obtained from the following questions used in the annual survey on invasive alien species, as follows:

Does your country have a Government Department, National agency or agencies (including supranational institutions/organizations, e.g. EU) responsible for managing IAS that impact the natural environment, economic sectors (e.g. agriculture, forestry, tourism, etc.) or human health?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to develop national plans and policies in relation to invasive alien species?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to undertake risk analyses of potentially invasive species?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to prevent the intentional introduction of species assessed as potentially invasive (including importation for the purposes of agriculture, aquaculture, the nursery trade, farming and animal breeding, the pet trade etc.)?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to minimise the unintentional introduction of alien species?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to promote public awareness of IAS issues?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to monitor and conduct surveillance programmes to detect founder populations of IAS at an early stage?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to contain and eradicate populations of IAS within the country?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to record and maintain information on IAS?

Are there institutions (including supranational institutions/organizations, e.g. EU) with a clear legal mandate and the necessary powers to enforce the relevant legal provisions regarding the control of IAS?

Are there any existing legal provisions or institutional arrangements to facilitate cooperation between different government agencies in making decisions regarding IAS?

Does your country have an allocation from the National budget to manage the threat of IAS?

If your country is a recipient of global funding (such as the Global Environment Facility (GEF) - has your country accessed any funding from global financial mechanisms for projects related to IAS management?

Does your Biodiversity Strategy (at the local, national, regional, or supranational level) include objective(s) and actions related to IAS management?

Is there a budget allocation or are there any financial tools (for e.g. dedicated financial programmes) available for this implementation?

Has your country developed a National Invasive Alien Species Strategy and Action Plan (NISSAP)?

Is there a budget allocation or are there any financial tools (for e.g. dedicated financial programmes) available for this implementation?

Do you know of any non-governmental agencies (NGO) or civil society groups involved in IAS management in your country?

Two of these, national budget allocations and recipients of global funding, are incorporated in the SDG Database as ER_IAS_NATBUD and ER_IAS_GLOFUN respectively. Regional and global series are also incorporated for each, as ER_IAS_NATBUDP and ER_IAS_GLOFUNP respectively.

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