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Keywords: age
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Journal Articles
J Exp Biol (2015) 218 (13): 1990–1994.
Published: 01 July 2015
...Shira D. Gordon; James F. C. Windmill ABSTRACT Insects display signs of ageing, despite their short lifespan. However, the limited studies on senescence emphasize longevity or reproduction. We focused on the hearing ability of ageing adult locusts, Schistocerca gregaria . Our results indicate...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (21): 3929–3934.
Published: 01 November 2014
...Jennie S. Garbutt; Anna J. P. O'Donoghue; Seanna J. McTaggart; Philip J. Wilson; Tom J. Little Immunity in vertebrates is well established to develop with time, but the ontogeny of defence in invertebrates is markedly less studied. Yet, age-specific capacity for defence against pathogens, coupled...
Includes: Supplementary data
Journal Articles
J Exp Biol (2012) 215 (21): 3685–3692.
Published: 01 November 2012
... to resource availability, particularly as a function of depth. We investigated how foraging and diving abilities vary with age in a long-lived seabird. During two breeding seasons, small accelerometers were deployed on young (5 year old) and older (8/9 year old) brooding king penguins ( Aptenodytes...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (4): 585–592.
Published: 15 February 2010
... stores (blood volume and muscle myoglobin) and diving behavior in adult female northern elephant seals, Mirounga angustirostris , to investigate age-related effects on diving performance. Blood volume averaged 74.4±17.0 liters in female elephant seals or 20.2±2.0% of body mass. Plasma volume averaged...
Journal Articles
J Exp Biol (2008) 211 (10): 1571–1578.
Published: 15 May 2008
... shortening (before take-off). In old age, muscular force is reduced,but the deficit in force is less during stretching than during shortening. The greater loss in concentric versus eccentric strength with aging led us to hypothesize that older versus younger adults would increase the landing–take-off...
Journal Articles
J Exp Biol (2003) 206 (7): 1221–1231.
Published: 01 April 2003
...Mark A. Chappell; Enrico L. Rezende; Kimberly A. Hammond SUMMARY Age impacts the phenotype of all multicellular animals, but lifetime changes in physiological traits are poorly understood for all but a few species. Here, we describe a cross-sectional study of age effects on body composition...