Land-use and socio-economic correlates of plant invasions in European and North African countries

Vilà, Montserrat; Pujadas, Jaume

doi:10.1016/s0006-3207(01)00047-7

Cited by 161 publications

(146 citation statements)

References 19 publications

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“…An arrival index was generated from direction of trade data (17), which has consistently been shown to be related to the number of invasive species in a country or region (4,(12)(13)(14)(15)(16). For each country, we generated a mean importation value (in millions of US dollars-normalized to 2011) from each trading partner over the period of 2000-2009.…”

Section: Methodsmentioning

confidence: 99%

“…Quantifying the many potential pathways by which multiple invasive species could arrive at a particular country is extremely challenging. However, the numbers of invasive species in a region or country have consistently been shown to be related to gross levels of trade (4,(12)(13)(14)(15)(16). Accordingly, we used the value of each country's annual mean (2000-2009) importation (in millions of US dollars) from each trading partner as a proportion of total imports from all trading partners (17) as a proxy for species arrival likelihood.…”

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confidence: 99%

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Global threat to agriculture from invasive species

Paini

Sheppard²,

Cook

et al. 2016

Proc. Natl. Acad. Sci. U.S.A.

665

490

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Invasive species present significant threats to global agriculture, although how the magnitude and distribution of the threats vary between countries and regions remains unclear. Here, we present an analysis of almost 1,300 known invasive insect pests and pathogens, calculating the total potential cost of these species invading each of 124 countries of the world, as well as determining which countries present the greatest threat to the rest of the world given their trading partners and incumbent pool of invasive species. We find that countries vary in terms of potential threat from invasive species and also their role as potential sources, with apparently similar countries sometimes varying markedly depending on specifics of agricultural commodities and trade patterns. Overall, the biggest agricultural producers (China and the United States) could experience the greatest absolute cost from further species invasions. However, developing countries, in particular, Sub-Saharan African countries, appear most vulnerable in relative terms. Furthermore, China and the United States represent the greatest potential sources of invasive species for the rest of the world. The analysis reveals considerable scope for ongoing redistribution of known invasive pests and highlights the need for international cooperation to slow their spread.NIS | insect pests | fungal pathogens | trade

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Global threat to agriculture from invasive species

Paini

Sheppard²,

Cook

et al. 2016

Proc. Natl. Acad. Sci. U.S.A.

665

490

View full text Add to dashboard Cite

show abstract

“…We also included indicators such as GDP, which are suggested to be related to invasion rates [4]. Socio-economic factors such as woodland cover and protected land area have also been suggested as important [13] and we therefore included in our analysis the available related estimates of the area of land under forest and agricultural cover. Development indicators were obtained from the World Bank Development Indicators database (http://data.worldbank.org/ indicator), and included the area of forested land, GDP and exports as a percentage of GDP (table 1).…”

Section: (B) Development and Governance Indicatorsmentioning

confidence: 99%

Corruption, development and governance indicators predict invasive species risk from trade

2016

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Invasive species have an enormous global impact, with international trade being the leading pathway for their introduction. Current multinational trade deals under negotiation will dramatically change trading partnerships and pathways. These changes have considerable potential to influence biological invasions and global biodiversity. Using a database of 47 328 interceptions spanning 10 years, we demonstrate how development and governance socio-economic indicators of trading partners can predict exotic species interceptions. For import pathways associated with vegetable material, a significantly higher risk of exotic species interceptions was associated with countries that are poorly regulated, have more forest cover and have surprisingly low corruption. Corruption and indicators such as political stability or adherence to rule of law were important in vehicle or timber import pathways. These results will be of considerable value to policy makers, primarily by shifting quarantine procedures to focus on countries of high risk based on their socio-economic status. Further, using New Zealand as an example, we demonstrate how a ninefold reduction in incursions could be achieved if socio-economic indicators were used to select trade partners. International trade deals that ignore governance and development indicators may facilitate introductions and biodiversity loss. Development and governance within countries clearly have biodiversity implications beyond borders.

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“…Insufficient research in these geographic regions may prevent many countries from developing effective screening, quarantine and management programs, increasing the potential for economic losses and the invasion of natural areas. Although developing countries tend to harbor fewer invasive species than developed countries because of their relative isolation from the global marketplace (Vilà and Pujadas, 2001), this will likely change as globalization increases overseas trade and, subsequently, the number of accidental introductions.…”

Section: Introductionmentioning

confidence: 99%

Patterns of genetic diversity reveal multiple introductions and recurrent founder effects during range expansion in invasive populations of Geranium carolinianum (Geraniaceae)

et al. 2013

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Genetic diversity, and thus the adaptive potential of invasive populations, is largely based on three factors: patterns of genetic diversity in the species' native range, the number and location of introductions and the number of founding individuals per introduction. Specifically, reductions in genetic diversity ('founder effects') should be stronger for species with low withinpopulation diversity in their native range and few introductions of few individuals to the invasive range. We test these predictions with Geranium carolinianum, a winter annual herb native to North America and invasive in China. We measure the extent of founder effects using allozymes and microsatellites, and ask whether this is consistent with its colonization history and patterns of diversity in the native range. In the native range, genetic diversity is higher and structure is lower than expected based on life history traits. In China, our results provide evidence for multiple introductions near Nanjing, Jiangsu province, with subsequent range expansion to the west and south. Patterns of genetic diversity across China reveal weak founder effects that are driven largely by low-diversity populations at the expansion front, away from the introduction location. This suggests that reduced diversity in China has resulted from successive founder events during range expansion, and that the loss of genetic diversity in the Nanjing area was mitigated by multiple introductions from diverse source populations. This has implications for the future of G. carolinianum in China, as continued gene flow among populations should eventually increase genetic diversity within the more recently founded populations.

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Land-use and socio-economic correlates of plant invasions in European and North African countries

Cited by 161 publications

References 19 publications

Global threat to agriculture from invasive species

Global threat to agriculture from invasive species

Corruption, development and governance indicators predict invasive species risk from trade

Patterns of genetic diversity reveal multiple introductions and recurrent founder effects during range expansion in invasive populations of Geranium carolinianum (Geraniaceae)

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