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Variance of size-age curves: bootstrapping with autocorrelation
We modify a method of estimating size-age relations from a minimal set of individual increment data, recognizing that growth depends not only on size but also varies greatly among individuals and is consistent within an individual for several to many time intervals. The method is exemplified with da...
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Published in: | Ecology (Durham) 2004-08, Vol.85 (8), p.2114-2117 |
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container_title | Ecology (Durham) |
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creator | Bullock, S.H Turner, R.M Hastings, J.R Escoto-Rodriguez, M Ramirez Apud Lopez, Z Rodriguez-Navarro, J.L |
description | We modify a method of estimating size-age relations from a minimal set of individual increment data, recognizing that growth depends not only on size but also varies greatly among individuals and is consistent within an individual for several to many time intervals. The method is exemplified with data from a long-lived desert plant and a range of autocorrelation factors encompassing field-measured values. The results suggest that age estimates based on size and growth rates with only moderate autocorrelation are subject to large variation, which raises major problems for prediction or hindcasting for ecological analysis or management. |
doi_str_mv | 10.1890/03-3115 |
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The method is exemplified with data from a long-lived desert plant and a range of autocorrelation factors encompassing field-measured values. The results suggest that age estimates based on size and growth rates with only moderate autocorrelation are subject to large variation, which raises major problems for prediction or hindcasting for ecological analysis or management.</description><subject>age–size relations</subject><subject>Animal and plant ecology</subject><subject>Animal populations</subject><subject>Animal, plant and microbial ecology</subject><subject>Autocorrelation</subject><subject>Biological and medical sciences</subject><subject>Bootstrap method</subject><subject>Deserts</subject><subject>Forest ecology</subject><subject>Fouquieria</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>growth</subject><subject>Plant ecology</subject><subject>Plant growth</subject><subject>Plant populations</subject><subject>Plants</subject><subject>Population ecology</subject><subject>Population estimates</subject><subject>Population growth</subject><subject>population structure</subject><subject>serial autocorrelation</subject><subject>simulation models</subject><subject>Statistical analysis</subject><subject>Statistical Reports</subject><subject>Trees</subject><subject>uncertainty estimation</subject><issn>0012-9658</issn><issn>1939-9170</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp1kE2LFDEQhoMoOK7iHxBsBNdTa1U-OokXWYb1AxY86AqeQjqdjBl6O7NJt8v6683Qi4JgXXKo530rPIQ8RXiNSsMbYC1DFPfIBjXTrUYJ98kGAGmrO6Eekkel7KEOcrUh777ZHO3kfJNCU-Iv39qdb9ySf_rytulTmsuc7eEQp11zE-cfjV3m5FLOfrRzTNNj8iDYsfgnd-8JuXx__nX7sb34_OHT9uyidRyAt8IJOkgEGhT3WoDsRd93evDOo6XOy2CZ6qEXXRi8dkJ13LNBDdwF6i04dkJO195DTteLL7O5isX5cbSTT0sxKCV2TOkKvvgH3KclT_VvhqIGyqWECr1aIZdTKdkHc8jxyuZbg2COFg0wc7RYyZd3dbY4O4ZcXcXyF--AVavHRrZyN3H0t_-rM-fb77T6UEJRRF5Tz9bUvswp_0kxLoBKWdfP13Wwydhdrocvv1BABghAKQL7DRyTkds</recordid><startdate>200408</startdate><enddate>200408</enddate><creator>Bullock, S.H</creator><creator>Turner, R.M</creator><creator>Hastings, J.R</creator><creator>Escoto-Rodriguez, M</creator><creator>Ramirez Apud Lopez, Z</creator><creator>Rodriguez-Navarro, J.L</creator><general>Ecology Society of America</general><general>Ecological Society of America</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>200408</creationdate><title>Variance of size-age curves: bootstrapping with autocorrelation</title><author>Bullock, S.H ; Turner, R.M ; Hastings, J.R ; Escoto-Rodriguez, M ; Ramirez Apud Lopez, Z ; Rodriguez-Navarro, J.L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4004-5c52d7102f84e9507b5bb69dece1a2ce7fa38b0b56fde9c5864e3d8d4cf2ea0c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>age–size relations</topic><topic>Animal and plant ecology</topic><topic>Animal populations</topic><topic>Animal, plant and microbial ecology</topic><topic>Autocorrelation</topic><topic>Biological and medical sciences</topic><topic>Bootstrap method</topic><topic>Deserts</topic><topic>Forest ecology</topic><topic>Fouquieria</topic><topic>Fundamental and applied biological sciences. 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subjects | age–size relations Animal and plant ecology Animal populations Animal, plant and microbial ecology Autocorrelation Biological and medical sciences Bootstrap method Deserts Forest ecology Fouquieria Fundamental and applied biological sciences. Psychology General aspects growth Plant ecology Plant growth Plant populations Plants Population ecology Population estimates Population growth population structure serial autocorrelation simulation models Statistical analysis Statistical Reports Trees uncertainty estimation |
title | Variance of size-age curves: bootstrapping with autocorrelation |
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