Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity

Language diversity is under threat, with between a third to a half of all languages considered endangered, and predicted rates of loss equivalent to one language per month for the rest of the century. Rather than reviewing the extensive body of linguistic research on endangered languages, this revie...

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Main Author: Lindell Bromham
Format: Article
Language:English
Published: Cambridge University Press 2023-01-01
Series:Cambridge Prisms: Extinction
Subjects:
Online Access:https://www.cambridge.org/core/product/identifier/S2755095822000031/type/journal_article
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author Lindell Bromham
author_facet Lindell Bromham
author_sort Lindell Bromham
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description Language diversity is under threat, with between a third to a half of all languages considered endangered, and predicted rates of loss equivalent to one language per month for the rest of the century. Rather than reviewing the extensive body of linguistic research on endangered languages, this review focuses specifically on the interdisciplinary transfer of methods developed in conservation biology, macroecology and macroevolution to the study of language endangerment and loss. While the causes of language endangerment and loss are different to those for species, studying patterns of diversity of species and languages involves similar analytical challenges, associated with testing hypotheses and identifying causal relationships. Solutions developed in biology can be adapted to illuminate patterns in language endangerment, such as statistical methods that explicitly model phylogenetic nonindependence, spatial autocorrelation and covariation between variables, which may otherwise derail the search for meaningful predictors of language endangerment. However, other tools from conservation biology may be much less use in understanding or predicting language endangerment, such as metrics based on International Union for Conservation of Nature (IUCN) criteria, population viability analysis or niche modelling. This review highlights both the similarities and the differences in approaches to understanding the concurrent crises in loss of both linguistic diversity and biodiversity.
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spelling doaj.art-1be5510b78ac4482997cbcdc2afeacf52023-06-20T10:01:07ZengCambridge University PressCambridge Prisms: Extinction2755-09582023-01-01110.1017/ext.2022.3Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversityLindell Bromham0https://orcid.org/0000-0003-2202-2609Macroevolution and Macroecology Group, Research School of Biology, Australian National University, Canberra, ACT 0200, AustraliaLanguage diversity is under threat, with between a third to a half of all languages considered endangered, and predicted rates of loss equivalent to one language per month for the rest of the century. Rather than reviewing the extensive body of linguistic research on endangered languages, this review focuses specifically on the interdisciplinary transfer of methods developed in conservation biology, macroecology and macroevolution to the study of language endangerment and loss. While the causes of language endangerment and loss are different to those for species, studying patterns of diversity of species and languages involves similar analytical challenges, associated with testing hypotheses and identifying causal relationships. Solutions developed in biology can be adapted to illuminate patterns in language endangerment, such as statistical methods that explicitly model phylogenetic nonindependence, spatial autocorrelation and covariation between variables, which may otherwise derail the search for meaningful predictors of language endangerment. However, other tools from conservation biology may be much less use in understanding or predicting language endangerment, such as metrics based on International Union for Conservation of Nature (IUCN) criteria, population viability analysis or niche modelling. This review highlights both the similarities and the differences in approaches to understanding the concurrent crises in loss of both linguistic diversity and biodiversity.https://www.cambridge.org/core/product/identifier/S2755095822000031/type/journal_articleDiversity lossbiocultural diversityIndigenous languageslanguage revitalizationmacroecologyhotspots
spellingShingle Lindell Bromham
Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity
Cambridge Prisms: Extinction
Diversity loss
biocultural diversity
Indigenous languages
language revitalization
macroecology
hotspots
title Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity
title_full Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity
title_fullStr Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity
title_full_unstemmed Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity
title_short Language endangerment: Using analytical methods from conservation biology to illuminate loss of linguistic diversity
title_sort language endangerment using analytical methods from conservation biology to illuminate loss of linguistic diversity
topic Diversity loss
biocultural diversity
Indigenous languages
language revitalization
macroecology
hotspots
url https://www.cambridge.org/core/product/identifier/S2755095822000031/type/journal_article
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