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  • Tags / Keywords Baseline and monitoring
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  • Tags / Keywords mexico-guadalupe island
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InvaCost, a Public Database of the Economic Costs of Biological Invasions Worldwide
Island and Ocean Ecosystems, BRB
Available Online

Assailly, C.

,

Courchamp, F.

,

Diagne, C.

,

Gozlan, R. E.

,

Jarić, I.

,

Jourdain, F.

,

Leroy, B.

,

Nuninger, L.

,

Roiz, D.

,

Vaissière, A.-C.

2020
Biological invasions are responsible for tremendous impacts globally, including huge economic losses and management expenditures. Efficiently mitigating this major driver of global change requires the improvement of public awareness and policy regarding its substantial impacts on our socio-ecosystems. One option to contribute to this overall objective is to inform people on the economic costs linked to these impacts; however, until now, a reliable synthesis of invasion costs has never been produced at a global scale. Here, we introduce InvaCost as the most up-to-date, comprehensive, harmonised and robust compilation and description of economic cost estimates associated with biological invasions worldwide. We have developed a systematic, standardised methodology to collect information from peer-reviewed articles and grey literature, while ensuring data validity and method repeatability for further transparent inputs. Our manuscript presents the methodology and tools used to build and populate this living and publicly available database. InvaCost provides an essential basis (2419 cost estimates currently compiled) for worldwide research, management efforts and, ultimately, for datadriven and evidence-based policymaking.
Ten years after feral goat eradication: the active restoration of plant communities on Guadalupe Island, Mexico
Island and Ocean Ecosystems, BRB
Available Online

Aguirre-Muñoz, A.

,

Cárdenas-Tapia, A.

,

García-Carreón, J.S.

,

Hernández-Montoya, J.C.

,

Luna-Mendoza, L.

,

Luvianos-Colín, S.

,

Méndez-Sánchez, F.

,

Puebla-Hernández, O.

,

Torres-Aguilar, M.

2019
As the ?rst step towards the ecological restoration of its islands, Mexico has completed 60 eradications of invasive mammals thanks to a strong partnership between Grupo de Ecología y Conservación de Islas, A.C. (GECI), the federal government, local ?shing communities, academia, and private donors. The removal of invasive mammals has led to the dramatic recovery of the islands’ ecosystems. On Guadalupe Island, after completing the goat eradication in 2007, the native vegetation started to recover. Plants considered extinct or extirpated have been rediscovered, and plant species new to the island have been recorded. However, in order to achieve the island’s full recovery, the active restoration of degraded soils and vegetation are needed. To date, GECI, in collaboration with the National Forestry Commission (CONAFOR) and the National Commission for Natural Protected Areas (CONANP), is implementing a 700 ha project to accelerate the restoration of the native vegetation communities. The project involves reforestation, erosion control, and ? re prevention actions on different plant communities: forests and sage scrub. An on-site nursery has been established, seedlings—mostly from endemic trees—are being grown, and on-site reforestation planting has started. Up to June 2018, we have planted almost 40,000 trees, and will produce 160,000 seedlings during this year. Mechanical methods to control and prevent erosion have been used as we have installed more than 2,400 m of contour barriers, 57 m3 of dams, and rehabilitated ?rebreaks. The actions will continue: the long-term goal being the comprehensive restoration of the vegetation communities devastated by feral goats. The Guadalupe Island experience will be useful to inform the restoration of other Mexican islands.