Basal metabolic rate of birds is associated with habitat temperature and precipitation, not primary productivity

Research output: Contribution to journalArticle

Standard

Harvard

APA

Vancouver

Author

Bibtex

@article{cc95ea87029b4e8abcfaf47231ac8ce0,
title = "Basal metabolic rate of birds is associated with habitat temperature and precipitation, not primary productivity",
abstract = "A classic example of ecophysiological adaptation is the observation that animals from hot arid environments have lower basal metabolic rates (BMRs, ml O2min-1) than those from non-arid (luxuriant) ones. However, the term 'arid' conceals within it a multitude of characteristics including extreme ambient temperatures (Ta, degrees C) and low annual net primary productivities (NPPs, gCm-2), both of which have been shown to correlate with BMR. To assess the relationship between environmental characteristics and metabolic rate in birds, we collated BMR measurements for 92 populations representing 90 wild-caught species and examined the relationships between BMR and NPP, Ta, annual temperature range (Tr), precipitation and intra-annual coefficient of variation of precipitation (PCV). Using conventional non-phylogenetic and phylogenetic generalized least-squares approaches, we found no support for a relationship between BMR and NPP, despite including species captured throughout the world in environments spanning a 35-fold range in NPP. Instead, BMR was negatively associated with Ta and Tr, and positively associated with PCV.",
keywords = "allometry, precipitation, basal metabolic rate, temperature, productivity, aridity",
author = "Craig White and Timothy Blackburn and Graham Martin and Patrick Butler",
year = "2007",
month = jan,
day = "22",
doi = "10.1098/rspb.2006.3727",
language = "English",
volume = "274",
pages = "287--293",
journal = "Royal Society of London. Proceedings B. Biological Sciences",
issn = "0962-8452",
publisher = "The Royal Society",
number = "1607",

}

RIS

TY - JOUR

T1 - Basal metabolic rate of birds is associated with habitat temperature and precipitation, not primary productivity

AU - White, Craig

AU - Blackburn, Timothy

AU - Martin, Graham

AU - Butler, Patrick

PY - 2007/1/22

Y1 - 2007/1/22

N2 - A classic example of ecophysiological adaptation is the observation that animals from hot arid environments have lower basal metabolic rates (BMRs, ml O2min-1) than those from non-arid (luxuriant) ones. However, the term 'arid' conceals within it a multitude of characteristics including extreme ambient temperatures (Ta, degrees C) and low annual net primary productivities (NPPs, gCm-2), both of which have been shown to correlate with BMR. To assess the relationship between environmental characteristics and metabolic rate in birds, we collated BMR measurements for 92 populations representing 90 wild-caught species and examined the relationships between BMR and NPP, Ta, annual temperature range (Tr), precipitation and intra-annual coefficient of variation of precipitation (PCV). Using conventional non-phylogenetic and phylogenetic generalized least-squares approaches, we found no support for a relationship between BMR and NPP, despite including species captured throughout the world in environments spanning a 35-fold range in NPP. Instead, BMR was negatively associated with Ta and Tr, and positively associated with PCV.

AB - A classic example of ecophysiological adaptation is the observation that animals from hot arid environments have lower basal metabolic rates (BMRs, ml O2min-1) than those from non-arid (luxuriant) ones. However, the term 'arid' conceals within it a multitude of characteristics including extreme ambient temperatures (Ta, degrees C) and low annual net primary productivities (NPPs, gCm-2), both of which have been shown to correlate with BMR. To assess the relationship between environmental characteristics and metabolic rate in birds, we collated BMR measurements for 92 populations representing 90 wild-caught species and examined the relationships between BMR and NPP, Ta, annual temperature range (Tr), precipitation and intra-annual coefficient of variation of precipitation (PCV). Using conventional non-phylogenetic and phylogenetic generalized least-squares approaches, we found no support for a relationship between BMR and NPP, despite including species captured throughout the world in environments spanning a 35-fold range in NPP. Instead, BMR was negatively associated with Ta and Tr, and positively associated with PCV.

KW - allometry

KW - precipitation

KW - basal metabolic rate

KW - temperature

KW - productivity

KW - aridity

U2 - 10.1098/rspb.2006.3727

DO - 10.1098/rspb.2006.3727

M3 - Article

C2 - 17148258

VL - 274

SP - 287

EP - 293

JO - Royal Society of London. Proceedings B. Biological Sciences

JF - Royal Society of London. Proceedings B. Biological Sciences

SN - 0962-8452

IS - 1607

ER -