Colonisation-extinction data for the epiphytic bryophyte Neckera pennata

Creator/Principal investigator(s):

Description:

Knowledge on the colonization process is important to understand and project future species distributions. The classic method to quantify colonization rates is time-consuming, as it requires recording infrequent colonization events during extensive, repeated surveys.


We present the novel ‘dating-based approach’ that requires one complete survey of species occurrence and estimates of subpopulation ages to back-date colonization events. These data allow statistical reconstruction of a virtual, repeated survey to estimate colonization rates in response to environmental covariates or connectivity.


With only 30% of survey effort, the dating-based approach provided similar estimates of rate and distance of dispersal of a moss metapopulation as the classic approach relying on long-term surveys. Projections of the number of colonization events during the next 100 years differed by only 2.3% (95%-credible interval: [-1.9%; 7.1%]) between methods.


The dating-based approach is applicable across spatial scales and promises enhancing species distribution models with urgently needed quantitative disp

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Responsible department/unit:

Swedish University of Agricultural Sciences

Creator/Principal investigator(s):

Identifiers:

SND-ID: SND 1073

Description:

Knowledge on the colonization process is important to understand and project future species distributions. The classic method to quantify colonization rates is time-consuming, as it requires recording infrequent colonization events during extensive, repeated surveys.


We present the novel ‘dating-based approach’ that requires one complete survey of species occurrence and estimates of subpopulation ages to back-date colonization events. These data allow statistical reconstruction of a virtual, repeated survey to estimate colonization rates in response to environmental covariates or connectivity.


With only 30% of survey effort, the dating-based approach provided similar estimates of rate and distance of dispersal of a moss metapopulation as the classic approach relying on long-term surveys. Projections of the number of colonization events during the next 100 years differed by only 2.3% (95%-credible interval: [-1.9%; 7.1%]) between methods.


The dating-based approach is applicable across spatial scales and promises enhancing species distribution models with urgently needed quantitative disp

... Show more..

Language:

Swedish

Copyright:

https://besjournals.onlinelibrary.wiley.com/journal/2041210x

Time period(s) investigated:

1997 — 2010

Geographic spread:

Geographic location: Sweden

Unit of analysis:

Sampling procedure:

Total universe/Complete enumeration

Funding:

Swedish Research Council — Ref. 2012-3760

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Publications

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Singer A, Bradter U, Fabritius H, Snäll T. In press. Dating past colonization events to project future species distributions. Methods in Ecology and Evolution.

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Version 1.0:

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Copyright:

https://besjournals.onlinelibrary.wiley.com/journal/2041210x

Colonisation-extinction data for the epiphytic bryophyte Neckera pennata

Suggested citation:

Tord Snäll. Swedish University of Agricultural Sciences (2018). Colonisation-extinction data for the epiphytic bryophyte Neckera pennata. Swedish National Data Service. Version 1.0. https://doi.org/10.5878/6xjf-ma84

Creator/Principal investigator(s):

Data format / data structure:

Numeric

Text

Time period(s) investigated:

1997 — 2010

Variables:

37

Published: 2018-11-30
Last updated: 2018-12-11