Biology of gliding mammals

Abstract Northern flying squirrels (Glaucomys sabrinus) in the USA Pacific Northwest are keystone species that disseminate the spores of ectomycorrhizal fungi symbiotic with Pinaceae and that are preyed upon by a variety of vertebrate predators. Substantial research has shown that these squirrels tend to be most abundant in naturally regenerated forests >100 years old (old growth and younger mixed-age forest with legacies from old growth), whereas abundance in second-growth forests is highly variable and often quite low. Flying squirrels vary in life history attributes from north to south, including adult body mass, rate of juvenile weight gain, age of sexual maturation for females, proportion of females that are sexually active, survivorship, population age structure, and population density. Some life-history attributes and predation seem density-dependent. There is less variation between managed and old forest within physio-graphic provinces than among physio-graphic provinces. The most common difference between managed and natural forests is population density. Environmental correlates of abundance vary among areas, but seem to include abundance of coarse woody debris in drier regions dominated by Douglas-fir (Pseudotsuga menziesii), abundance of ericaceous shrubs in wetter regions

[1]  Carey,et al.  SPOTTED OWLS: RESOURCE AND SPACE USE IN MOSAIC LANDSCAPES , 2003 .

[2]  B. Biswell,et al.  Ecological scale and forest development: squirrels, dietary fungi, and vascular plants in managed and unmanaged forests. , 1999 .

[3]  A. B. Carey,et al.  Maturation and reproduction of northern flying squirrels in Pacific Northwest forests. , 1999 .

[4]  A. B. Carey,et al.  The Forest Ecosystem Study: Background, Rationale, Implementation, Baseline Conditions, and Silvicul , 1999 .

[5]  B. Biswell,et al.  Dens of northern flying squirrels in the Pacific Northwest. , 1997 .

[6]  T. P. Sullivan,et al.  Food Limitation and Habitat Preference of Glaucomys sabrinus and Tamiasciurus hudsonicus , 1997 .

[7]  Jeffrey S. Feen Winter den sites of northern flying squirrels in Douglas-fir forests of the south-central Oregon Cascades , 1997 .

[8]  A. B. Carey,et al.  OBSERVATIONS OF NORTHERN FLYING SQUIRREL FEEDING BEHAVIOR: USE OF NON-TRUFFLE FOOD ITEMS , 1997 .

[9]  W. Colgan,et al.  A RELIABLE METHOD OF ANALYZING DIETARIES OF MYCOPHAGOUS SMALL MAMMALS , 1997 .

[10]  G. Hayward,et al.  Northern flying squirrel seasonal food habits in the interior conifer forests of Central Idaho, USA , 1997 .

[11]  A. B. Carey,et al.  Observations of Weasels in Second-Growth Douglas-Fir Forests in the Puget Trough, Washington , 1996 .

[12]  A. B. Carey,et al.  Conservation of biodiversity: a useful paradigm for forest ecosystem management , 1996 .

[13]  W. Colgan,et al.  Foundations of biodiversity in managed Douglas-fir forests. , 1996 .

[14]  J. R. Waters,et al.  Northern flying squirrel densities in fir forests of northeastern California , 1995 .

[15]  A. B. Carey SCIURIDS IN PACIFIC NORTHWEST MANAGED AND OLD-GROWTH FORESTS' , 1995 .

[16]  A. B. Carey SPOTTED OWL ECOLOGY: THEORY AND METHODOLOGY―A REPLY TO ROSENBERG ET AL. , 1995 .

[17]  K. Martin Movements and habitat asociations of northern flying squirrels in the Central Oregon Cascades , 1994 .

[18]  G. Hayward,et al.  Lichens as Nesting Material for Northern Flying Squirrels in the Northern Rocky Mountains , 1994 .

[19]  J. R. Waters,et al.  The effects of thinning and broadcast burning on sporocarp production of hypogeous fungi , 1994 .

[20]  J. Layne,et al.  Communal Nesting of Southern Flying Squirrels in Florida , 1994 .

[21]  Stan G. Sovern,et al.  Reproductive Chronology of the Northern Flying Squirrel on the Olympic Peninsula, Washington , 1994 .

[22]  R. G. Anthony,et al.  Differences in trapping mortality rates of northern flying squirrels , 1993 .

[23]  J. W. Witt Home Range and Density Estimates for the Northern Flying Squirrel, Glaucomys sabrinus, in Western Oregon , 1992 .

[24]  B. Biswell,et al.  Northern Spotted Owls: Influence of Prey Base and Landscape Character , 1992 .

[25]  L. Ruggiero,et al.  Wildlife and Vegetation of Unmanaged Douglas-Fir Forests , 1992 .

[26]  Peter J. Pekins,et al.  Winter energy expenditure and the distribution of southern flying squirrels , 1991 .

[27]  J. W. Witt Fluctuations in the Weight and Trap Response for Glaucomys sabrinus in Western Oregon , 1991 .

[28]  D. S. Hall Diet of the northern flying squirrel at Sagehen Creek, California , 1991 .

[29]  A. B. Carey,et al.  Track counts as indices to abundances of arboreal rodents. , 1991 .

[30]  B. Biswell,et al.  Methods for measuring populations of arboreal rodents. , 1991 .

[31]  S. Cork,et al.  Nutritional value of hypogeous fungus for a forest-dwelling ground squirrel , 1989 .

[32]  A. B. Carey,et al.  A microhistological technique for analysis of food habits of mycophagous rodents. , 1989 .

[33]  M. Castellano Key to spores of the genera of hypogeous fungi of north temperate forests with special reference to animal mycophagy , 1989 .

[34]  C. Maser,et al.  The northern flying squirrel: a mycophagist in southwestern Oregon , 1986 .

[35]  J. Trappe,et al.  Food habits of the northern flying squirrel (Glaucomys sabrinus) in Oregon , 1985 .

[36]  M. Raphael Late Fall Breeding of the Northern Flying Squirrel, Glaucomys sabrinus , 1984 .

[37]  C. Maser,et al.  Aggregation and Sex Segregation in Northern Flying Squirrels in Northeastern Oregon, an Observation , 1981 .

[38]  L. L. Short BURDENS OF THE PICID HOLE-EXCAVATING HABIT , 1979 .

[39]  J. Trappe,et al.  FUNGAL-SMALL MAMMAL INTERRELATIONSHIPS WITH EMPHASIS ON OREGON CONIFEROUS FORESTS" , 1978 .

[40]  P. D. Weigl Study of the Northern Flying Squirrel, Glaucomys sabrinus, by Temperature Telemetry , 1974 .

[41]  N. Collias THE EVOLUTION OF NESTS AND NEST-BUILDING IN BIRDS , 1964 .

[42]  S. Mckeever Food of the northern flying squirrel in northeastern California. , 1960 .