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Global Island Monitoring Scheme (GIMS): a proposal for the long-term coordinated survey and monitoring of native island forest biota

Paulo Alexandre Vieira Borges 1 Pedro Cardoso 2 Holger Kreft 3 Robert J. Whittaker 4 Simone Fattorini Brent C. Emerson 5 Artur Gil Rosemary Gillespie Thomas Matthews Ana Santos Manuel Steinbauer Christoph Thébaud Claudine Ah-Peng 6 Isabel R. Amorim Silvia Calvo Aranda 7 Ana Moura Arroz José Azevedo Mário Boieiro Luis Borda-De-Água José C. Carvalho Rui Elias José Fernández-Palacios Margarita Florencio Juana González-Mancebo Lawrence Heaney Joaquin Hortal 8 Christoph Kueffer 9 Benoit Lequette José Martín-Esquivel Heriberto López Lucas Lamelas-López José Marcelino Rui Nunes Pedro Oromí Jairo Patiño Antonio Perez Carla Rego P. Ribeiro François Rigal 10, 11 Pedro Rodrigues Andrew Rominger Margarida Santos-Reis 12 Hanno Schaefer 13 Cecilia Sérgio 14 Artur Serrano Manuela Sim-Sim 15 P. Stephenson António Lucas Soares 16 Dominique Strasberg 17, 6 Alain Vanderporten Virgilio Vieira Rosalina Gabriel 18 
Abstract : Islands harbour evolutionary and ecologically unique biota, which are currently disproportionately threatened by a multitude of anthropogenic factors, including habitat loss, invasive species and climate change. Native forests on oceanic islands are important refugia for endemic species, many of which are rare and highly threatened. Long-term monitoring schemes for those biota and ecosystems are urgently needed: (i) to provide quantitative baselines for detecting changes within island ecosystems, (ii) to evaluate the effectiveness of conservation and management actions, and (iii) to identify general ecological patterns and processes using multiple island systems as repeated ‘natural experiments’. In this contribution, we call for a Global Island Monitoring Scheme (GIMS) for monitoring the remaining native island forests, using bryophytes, vascular plants, selected groups of arthropods and vertebrates as model taxa. As a basis for the GIMS, we also present new, optimized monitoring protocols for bryophytes and arthropods that were developed based on former standardized inventory protocols. Effective inventorying and monitoring of native island forests will require: (i) permanent plots covering diverse ecological gradients (e.g. elevation, age of terrain, anthropogenic disturbance); (ii) a multiple-taxa approach that is based on standardized and replicable protocols; (iii) a common set of indicator taxa and community properties that are indicative of native island forests’ welfare, building on, and harmonized with existing sampling and monitoring efforts; (iv) capacity building and training of local researchers, collaboration and continuous dialogue with local stakeholders; and (v) long-term commitment by funding agencies to maintain a global network of native island forest monitoring plots.
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Submitted on : Friday, February 4, 2022 - 11:18:13 PM
Last modification on : Friday, August 5, 2022 - 12:40:05 PM
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Paulo Alexandre Vieira Borges, Pedro Cardoso, Holger Kreft, Robert J. Whittaker, Simone Fattorini, et al.. Global Island Monitoring Scheme (GIMS): a proposal for the long-term coordinated survey and monitoring of native island forest biota. Biodiversity and Conservation, Springer Verlag, 2018, 27 (10), pp.2567 - 2586. ⟨10.1007/s10531-018-1553-7⟩. ⟨hal-01836679⟩



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