Projecting future climate change impacts on the distribution of the ‘Octopus vulgaris species complex’

نویسندگان

چکیده

Introduction Historically considered to be a single cosmopolitan species, the so called Octopus vulgaris species complex (OVSC) is now recognized group of (at least) six cryptic species: O. americanus (in west Atlantic), northeast Atlantic and Mediterranean Sea), aff . region South Africa), tetricus (southeastern Oceania), sinensis (northwestern Pacific), djinda (western Australia). The potentially different environmental preferences this highly may result in distinct consequences under future conditions. Methods present study employed distribution models (SDM) using MaxEnt investigate potential changes habitat suitability geographical OVSC ( i.e. , 2050, 2100), across four representative concentration pathway scenarios (RCP-2.6, 4.5, 6.0, 8.5, CMIP5). Results Differential responses were observed analyzed. Specifically, exhibited severe loss their predicted range; projected extirpation close equator, with limited expansion towards poles; was lose half its current distribution; moderate losses, increases northern areas; finally, losses distribution. Except for increasing RCP severity exacerbated mean gains losses. Discussion Ultimately, provides information on biogeographical effects marine climate change key worldwide ecological economic resource further disentangle over each goal assisting toward sustainable management octopus at global scale.

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ژورنال

عنوان ژورنال: Frontiers in Marine Science

سال: 2022

ISSN: ['2296-7745']

DOI: https://doi.org/10.3389/fmars.2022.1018766