Genre
- Journal Article
Aim The aim of this study was to investigate the effects of climate, geography, census area and the distribution of body mass on the mass : density relationship in terrestrial mammal populations. Location The areas covered include most major terrestrial biomes including the tropics, savannas, and temperate forests. Method Data on population density and body mass from 827 populations belonging to 330 different terrestrial mammal species were derived from a review of the literature. Results LOWESS and polynomial regression analysis indicated that the overall mass : density relationship on log-log scales was not linear and that the slope of this relationship behaves differently across the range of body mass. Body mass explained between 37 and 67% of the variability in population density depending upon the dietary category or the biome group. We also developed two multivariate models that can explain up to 65% of the variability in population density in terrestrial mammals. We also tested for a confounding effect of census area on the mass : density relationship on log-log scales in terrestrial mammals. Conclusions Our findings support previous studies suggesting that body mass is a major predictor of the variance in population density in terrestrial mammals. We suggest that the nonlinearity of the mass : density relationship may result from the fact that the overall distribution of body mass is a mixture of distributions across dietary groups and biomes. In contrast to body mass, our results indicate that climatic and geographical factors have a minor effect on population density. Although census area was closely correlated with body mass, body mass was generally a better predictor of population density than was census area.
Univ Prince Edward Isl, Dept Biol, Charlottetown, PE C1A 4P3, Canada. Univ Med & Dent New Jersey, E Orange, NJ 07018 USA. E Orange VA Hosp, E Orange, NJ 07018 USA. Iowa State Univ, Dept Anim Ecol, Ames, IA 50011 USA.; Silva, M, Univ Prince Edwar(TRUNCATED)
OXFORD; P O BOX 88, OSNEY MEAD, OXFORD OX2 0NE, OXON, ENGLAND
BLACKWELL SCIENCE LTD
PT: J; CR: BAKER RH, 1967, SYST ZOOL, V16, P28 BLACKBURN TM, 1990, J ANIM ECOL, V59, P335 BLACKBURN TM, 1993, J ANIM ECOL, V62, P694 BLACKBURN TM, 1996, BIODIVERSITY LETT, V3, P44 BLACKBURN TM, 1996, OIKOS, V75, P303 BLACKBURN TM, 1996, OIKOS, V77, P436 BLACKBURN TM, 1997, J ANIM ECOL, V66, P233 BLACKBURN TM, 1999, ADV ECOL RES, V28, P181 BLACKBURN TM, 1999, OIKOS, V85, P570 BOURLIERE F, 1961, INT UNION CONSERVATI, V1, P102 BROWN JH, 1981, AM ZOOL, V21, P877 BROWN JH, 1984, ACTA ZOOL FENN, V172, P45 BROWN JH, 1986, NATURE, V324, P248 BROWN JH, 1991, AM NAT, V138, P1478 BROWN JH, 1995, MACROECOLOGY BROWN JH, 1998, BIOGEOGRAPHY CAUGHLEY G, 1964, AUST J ZOOL, V12, P238 CHEW RM, 1970, ECOL MONOGR, V40, P1 CHURCHILL SK, 1991, WILDLIFE RES, V18, P343 CLEVELAND WS, 1979, J AM STAT ASSOC, V74, P829 CLEVELAND WS, 1985, SCIENCE, V229, P828 CLUTTONBROCK TH, 1977, J ZOOL LOND, V183, P1 COE MJ, 1976, OECOLOGIA, V22, P341 COTGREAVE P, 1992, FUNCT ECOL, V6, P248 COTGREAVE P, 1994, FUNCT ECOL, V8, P219 COTGREAVE P, 1994, OIKOS, V66, P353 COTGREAVE P, 1995, FUNCT ECOL, V9, P285 CURRIE DJ, 1993, OIKOS, V66, P353 CURRIE DJ, 1993, OIKOS, V67, P56 DAMUTH J, 1981, NATURE, V290, P699 DAMUTH J, 1987, BIOL J LINN SOC, V31, P193 DAMUTH J, 1993, NATURE, V365, P748 DOWSETT RJ, 1966, PUKU, V4, P135 EISENBERG JF, 1981, MAMMALIAN RAD ANAL T FLEMING TH, 1973, ECOLOGY, V54, P555 FREESE CH, 1982, INT J PRIMATOL, V3, P53 FRITZ H, 1994, P ROY SOC LOND B BIO, V256, P77 GRIFFITHS D, 1998, J ANIM ECOL, V67, P795 GUJARATI D, 1978, BASIC ECONOMETRICS HARVEY PH, 1991, COMP METHOD EVOLUTIO HUTCHINSON GE, 1959, AM NAT, V93, P145 JOHNSON CN, 1998, J ANIM ECOL, V67, P689 JOHNSON CN, 1999, OIKOS, V85, P565 JOHNSON RA, 1992, APPL MULTIVARIATE ST LODER N, 1997, OIKOS, V78, P195 MACPHERSON E, 1989, MAR ECOL-PROG SER, V50, P295 MARQUET PA, 1990, SCIENCE, V250, P1125 MARQUET PA, 1995, J ANIM ECOL, V64, P325 MARQUET PA, 1998, EVOL ECOL, V12, P127 MARQUET PA, 1999, OIKOS, V85, P299 MONTFORT A, 1972, TERRE VIE, V26, P216 NEE S, 1991, NATURE, V351, P312 NOWAK RM, 1991, WALKERS MAMMALS WORL, V1 NOWAK RM, 1991, WALKERS MAMMALS WORL, V2 PERES CA, 1990, BIOL CONSERV, V54, P47 PETERS RH, 1983, OECOLOGIA, V60, P89 PETERS RH, 1984, AM NAT, V124, P498 PHILLIPSON J, 1975, E AFR WILDL J, V13, P171 PIMM SL, 1992, BALANCE NATURE RAPOPORT EH, 1982, AREOGRAPHY GEOGRAPHI, V1 RICKLEFS RE, 1996, OIKOS, V77, P167 ROBERTS SC, 1991, AFR J ECOL, V29, P316 ROBINSON JG, 1986, AM NAT, V128, P665 ROSENZWEIG ML, 1968, AM NAT, V102, P67 SILVA M, 1994, CONSERV BIOL, V8, P732 SILVA M, 1995, AM NAT, V145, P704 SILVA M, 1997, J ANIM ECOL, V66, P327 SMALLWOOD KS, 1996, OECOLOGIA, V107, P588 SOKAL RR, 1981, BIOMETRY STEVENS GC, 1989, AM NAT, V133, P240 WAND MP, 1995, KERNEL SMOOTHING WERNSTEDT FL, 1972, WORLD CLIMATIC DATA WESTOBY M, 1995, J ECOL, V83, P531 WESTOBY M, 1995, J ECOL, V83, P727 WESTOBY M, 1995, J ECOL, V83, P892 WHITTAKER RH, 1975, COMMUNITIES ECOSYSTE WILSON DE, 1992, MAMMAL SPECIES WORLD WILSON JW, 1974, EVOLUTION, V28, P124 ZAR JH, 1996, BIOSTATISTICAL ANAL; NR: 79; TC: 12; J9: GLOBAL ECOL BIOGEOGR; PG: 17; GA: 482PL
Source type: Electronic(1)
Language
- English
Subjects
- NORTH
- ENERGY-USE
- relationships
- REGRESSION
- latitude
- PATTERNS
- PHYLOGENETIC CORRECTION
- PRECIPITATION
- TEMPERATURE
- body mass distribution
- BIRD COMMUNITIES
- ANIMAL ABUNDANCE
- census area
- Geography, Physical
- macroecology
- ecology
- climate
- COPES RULE
- mass density relationship
- terrestrial mammals
- ALLOMETRY
- size