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Bini, L.M.; Diniz-Filho, J.A.F.; Rangel, T.F.L.V.B.; Akre, T.S.B.; Albaladejo, R.G.; Albuquerque, F.S.; Aparicio, A.; Araújo, M.B.; Baselga, A.; Beck, J.; Bellocq, M.I.; Böhning-Gaese, K.; Borges, P.A.V.; Castro-Parga, I.; Chey, V.K.; Chown, S.L.; De Marco Jr., P.; Dobkin, D.S. (...) Hawkins, B.A. "Coefficient shifts in geographical ecology: An empirical evaluation of spatial and non-spatial regression" (2009) Ecography. 32(2):193-204
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Abstract:

A major focus of geographical ecology and macroecology is to understand the causes of spatially structured ecological patterns. However, achieving this understanding can be complicated when using multiple regression, because the relative importance of explanatory variables, as measured by regression coefficients, can shift depending on whether spatially explicit or non-spatial modeling is used. However, the extent to which coefficients may shift and why shifts occur are unclear. Here, we analyze the relationship between environmental predictors and the geographical distribution of species richness, body size, range size and abundance in 97 multi-factorial data sets. Our goal was to compare standardized partial regression coefficients of non-spatial ordinary least squares regressions (i.e. models fitted using ordinary least squares without taking autocorrelation into account; "OLS models" hereafter) and eight spatial methods to evaluate the frequency of coefficient shifts and identify characteristics of data that might predict when shifts are likely. We generated three metrics of coefficient shifts and eight characteristics of the data sets as predictors of shifts. Typical of ecological data, spatial autocorrelation in the residuals of OLS models was found in most data sets. The spatial models varied in the extent to which they minimized residual spatial autocorrelation. Patterns of coefficient shifts also varied among methods and datasets, although the magnitudes of shifts tended to be small in all cases. We were unable to identify strong predictors of shifts, including the levels of autocorrelation in either explanatory variables or model residuals. Thus, changes in coefficients between spatial and non-spatial methods depend on the method used and are largely idiosyncratic, making it difficult to predict when or why shifts occur. We conclude that the ecological importance of regression coefficients cannot be evaluated with confidence irrespective of whether spatially explicit modelling is used or not. Researchers may have little choice but to be more explicit about the uncertainty of models and more cautious in their interpretation. © 2009 Ecography.

Registro:

Documento: Artículo
Título:Coefficient shifts in geographical ecology: An empirical evaluation of spatial and non-spatial regression
Autor:Bini, L.M.; Diniz-Filho, J.A.F.; Rangel, T.F.L.V.B.; Akre, T.S.B.; Albaladejo, R.G.; Albuquerque, F.S.; Aparicio, A.; Araújo, M.B.; Baselga, A.; Beck, J.; Bellocq, M.I.; Böhning-Gaese, K.; Borges, P.A.V.; Castro-Parga, I.; Chey, V.K.; Chown, S.L.; De Marco Jr., P.; Dobkin, D.S.; Ferrer-Castán, D.; Field, R.; Filloy, J.; Fleishman, E.; Gómez, J.F.; Hortal, J.; Iverson, J.B.; Kerr, J.T.; Kissling, W.D.; Kitching, I.J.; León-Cortés, J.L.; Lobo, J.M.; Montoya, D.; Morales-Castilla, I.; Moreno, J.C.; Oberdorff, T.; Olalla-Tárraga, M.A.; Pausas, J.G.; Qian, H.; Rahbek, C.; Rodríguez, M.A.; Rueda, M.; Ruggiero, A.; Sackmann, P.; Sanders, N.J.; Terribile, L.C.; Vetaas, O.R.; Hawkins, B.A.
Filiación:Depto de Biologia Geral, ICB, Univ. Federal de Goias, CP 131, 74001-970 Goiania, GO, Brazil
Dept of Ecology and Evolutionary Biology, Univ. of Connecticut, Storrs, CT 06269, United States
Dept of Biological and Environmental Sciences, Longwood Univ., Farmville, VA 23909, United States
Depto de Biologia Vegetal y Ecologia, Univ. de Sevilla, c/Prof. Garcia Gonzalez no 2, ES-41012 Sevilla, Spain
Depto de Ecologia, Univ. de Alcala, ES-28871 Alcala de Henares, Madrid, Spain
Depto de Biodiversidad y Biologia Evolutiva, Museo Nacional de Ciencias Naturales (CSIC), ES-28006 Madrid, Spain
Dept of Environmental Sciences, Inst. of Biogeography, Univ. of Basel, St.Johanns-Vorstadt 10, CH-4056 Basel, Switzerland
Depto de Ecologia, Genetica y Evolucio, Facultad de Ciencias Exactas y Naturales, CONICET, Ciudad Universitaria Pab. 2, 1428 Buenos Aires, Argentina
Inst. fur Zoologie, Johannes Gutenberg-Univ. Mainz, Becherweg 13, DE-55099 Mainz, Germany
Depto de Ciencias Agrarias, Univ. dos Acores, CITA A (Azorean Biodiversity Group), Terra Cha, PT- 9700-851 Angra do Heroismo, Terceira, Acores, Portugal
Depto de Ecologia C/Darwin 2, Univ. Autonoma de Madrid, ES-28049 Madrid, Spain
Entomology Section, Forest Research Centre of Sabah, Sepilok, P.O. Box 1407, 90715 Sandakan, Malaysia
DST-NRF Centre of Excellence for Invasion Biology, Stellenbosch Univ., Private Bag XI, Matieland 7602, South Africa
High Desert Ecological Research Inst., 15 S.W. Colorado Ave., Bend, OR 97702, United States
Area de Ecologia, Facultad de Biologia, Univ. de Salamanca, ES-37007 Salamanca, Spain
School of Geography, Univ. of Nottingham, Nottingham NG7 2RD, United Kingdom
National Center for Ecological Analysis and Synthesis, 735 State St, Santa Barbara, CA 93101, United States
NERC Centre for Population Biology, Imperial College, Silwood Park, Ascot SL5 7PY, United Kingdom
Dept of Biology, Earlham College, Richmond, IN 47374, United States
Dept of Biology, Univ. of Ottawa, Ottawa, ON KIN 6N5, Canada
Dept of Entomology, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom
Depto de Ecologia y Sistematica Terrestre, El Colegio de la Frontera Sur, Carr. Panamericana y Av. Periferico Sur s/n, San Cristobal de Chiapas 29290, Mexico
Depto de Biologia, Univ. Autonoma de Madrid, C/ Darwin 2, ES-28049 Madrid, Spain
IRD, DMPA, Museum National dHistoire Naturelle, 43 Rue Cuvier, FR-75005 Paris, France
Centro de Investigacion sobre Desertificacion (CIDE, CSIC), Apartado Oficial, ES-46470 Albal, Valencia, Spain
Research and Collections Center, Illinois State Museum, 1011 East Ash Street, Springfield, IL 62703, United States
Center for Macroecology, Dept of Biology, Univ. of Copenhagen, DK-2100 Copenhagen, Denmark
Laboratorio Ecotono, Centro Regional Universitario Bariloche, INIBIOMA-CONICET, Quintral 1250, 8400 Bariloche, Rio Negro, Argentina
Dept of Ecology and Evolutionary Biology, Univ. of Tennessee, Knoxville, TN 37996, United States
UNIFOB Global, Univ. of Bergen, NO-5015 Bergen, Norway
Dept of Ecology and Evolutionary Biology, Univ. of California, Irvine, CA 92697, United States
Palabras clave:abundance; body size; data set; least squares method; macroecology; range size; regression analysis; species richness
Año:2009
Volumen:32
Número:2
Página de inicio:193
Página de fin:204
DOI: http://dx.doi.org/10.1111/j.1600-0587.2009.05717.x
Título revista:Ecography
Título revista abreviado:Ecography
ISSN:09067590
CODEN:ECOGE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09067590_v32_n2_p193_Bini

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Citas:

---------- APA ----------
Bini, L.M., Diniz-Filho, J.A.F., Rangel, T.F.L.V.B., Akre, T.S.B., Albaladejo, R.G., Albuquerque, F.S., Aparicio, A.,..., Hawkins, B.A. (2009) . Coefficient shifts in geographical ecology: An empirical evaluation of spatial and non-spatial regression. Ecography, 32(2), 193-204.
http://dx.doi.org/10.1111/j.1600-0587.2009.05717.x
---------- CHICAGO ----------
Bini, L.M., Diniz-Filho, J.A.F., Rangel, T.F.L.V.B., Akre, T.S.B., Albaladejo, R.G., Albuquerque, F.S., et al. "Coefficient shifts in geographical ecology: An empirical evaluation of spatial and non-spatial regression" . Ecography 32, no. 2 (2009) : 193-204.
http://dx.doi.org/10.1111/j.1600-0587.2009.05717.x
---------- MLA ----------
Bini, L.M., Diniz-Filho, J.A.F., Rangel, T.F.L.V.B., Akre, T.S.B., Albaladejo, R.G., Albuquerque, F.S., et al. "Coefficient shifts in geographical ecology: An empirical evaluation of spatial and non-spatial regression" . Ecography, vol. 32, no. 2, 2009, pp. 193-204.
http://dx.doi.org/10.1111/j.1600-0587.2009.05717.x
---------- VANCOUVER ----------
Bini, L.M., Diniz-Filho, J.A.F., Rangel, T.F.L.V.B., Akre, T.S.B., Albaladejo, R.G., Albuquerque, F.S., et al. Coefficient shifts in geographical ecology: An empirical evaluation of spatial and non-spatial regression. Ecography. 2009;32(2):193-204.
http://dx.doi.org/10.1111/j.1600-0587.2009.05717.x