Effects of Interaction between Temperature Conditions and Copper Exposure on Immune Defense and Other Life-History Traits of the Blow FlyProtophormia terraenovae

2014 ◽  
Vol 48 (15) ◽  
pp. 8793-8799 ◽  
Author(s):  
Mari Pölkki ◽  
Katariina Kangassalo ◽  
Markus J. Rantala
Keyword(s):  
Life History ◽  
Life History Traits ◽  
Immune Defense ◽  
Copper Exposure ◽  
Temperature Conditions

scholarly journals Parent-to-offspring transfer of sublethal effects of copper exposure: Metabolic rate and life-history traits of Daphnia

2011 ◽  
Vol 84 (2) ◽  
pp. 195-201 ◽  
Author(s):  
MAURICIO A FERNÁNDEZ-GONZÁLEZ ◽  
JAVIER GONZÁLEZ-BARRIENTOS ◽  
MAURICIO J CARTER ◽  
RODRIGO RAMOS-JILIBERTO
Keyword(s):  
Life History ◽  
Metabolic Rate ◽  
Life History Traits ◽  
Sublethal Effects ◽  
Copper Exposure

scholarly journals Do Life History Traits Influence Patterns of Maternal Immune Elements in New World Blackbirds (Icteridae)?

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
C A Fassbinder-Orth ◽  
L D Igl ◽  
D C Hahn ◽  
K M Watts ◽  
T E Wilcoxen ◽  
...  
Keyword(s):  
Life History ◽  
Body Size ◽  
Immune Responses ◽  
Life History Traits ◽  
New World ◽  
Bird Species ◽  
Immune Defense ◽  
Closely Related Species ◽  
Brood Parasites ◽  
Comparative Immunity

Abstract Avian immunology developed originally by investigating domesticated poultry species (Galliformes), but in recent decades eco-immunological studies of wild bird species have revealed that avian immune systems are more diverse than initially assumed. This study compares six immunological elements in eggs of six species within the same family, the New World blackbirds (Icteridae),whose members differ most notably in two life history parameters, brood parasitism and body size. We measured the maternal immune investment of passive immune components in both yolk and albumen: lysozyme, ovotransferrin, and immunoglobulins (Igs), and LPS-specific Igs. We predicted that brood parasites would have higher levels of immune activity for both innate and adaptive immunity compared with non-brood parasites, and that increased body size could increase microbial exposure of larger animals, resulting in an increase in some adaptive immune responses, such as LPS-specific Igs. We found that brood parasites had significantly higher levels of Igs and lysozyme levels in albumen, but significantly lower levels of Igs in yolk compared with non-brood parasites. Igs in yolk scaled according to body size, with the smallest organisms (the brood parasites) having the lowest levels, and the largest organism (common grackle) having the highest. Our results confirm the findings of other studies of comparative immunity among species in a single taxon that (1) similarities in immune investment cannot be assumed among closely related species and (2) single measures of immune defense cannot be assumed to be indicators of a species’ overall immune strategy, as life history traits can differentially affect immune responses.

scholarly journals An experimental heat wave changes immune defense and life history traits in a freshwater snail

2013 ◽  
Vol 3 (15) ◽  
pp. 4861-4871 ◽  
Author(s):  
Katja Leicht ◽  
Jukka Jokela ◽  
Otto Seppälä
Keyword(s):  
Life History ◽  
Heat Wave ◽  
Life History Traits ◽  
Freshwater Snail ◽  
Immune Defense ◽  
Experimental Heat

Prey tell: what quillback rockfish early life history traits reveal about their survival in encounters with juvenile coho salmon

2020 ◽  
Vol 650 ◽  
pp. 7-18 ◽  
Author(s):  
HW Fennie ◽  
S Sponaugle ◽  
EA Daly ◽  
RD Brodeur
Keyword(s):  
Life History ◽  
Early Life ◽  
Life History Traits ◽  
Direct Evidence ◽  
Coho Salmon ◽  
Larval Fish ◽  
Early Life History ◽  
In The Wild ◽  
Otolith Microstructure Analysis ◽  
Pelagic Juvenile

Predation is a major source of mortality in the early life stages of fishes and a driving force in shaping fish populations. Theoretical, modeling, and laboratory studies have generated hypotheses that larval fish size, age, growth rate, and development rate affect their susceptibility to predation. Empirical data on predator selection in the wild are challenging to obtain, and most selective mortality studies must repeatedly sample populations of survivors to indirectly examine survivorship. While valuable on a population scale, these approaches can obscure selection by particular predators. In May 2018, along the coast of Washington, USA, we simultaneously collected juvenile quillback rockfish Sebastes maliger from both the environment and the stomachs of juvenile coho salmon Oncorhynchus kisutch. We used otolith microstructure analysis to examine whether juvenile coho salmon were age-, size-, and/or growth-selective predators of juvenile quillback rockfish. Our results indicate that juvenile rockfish consumed by salmon were significantly smaller, slower growing at capture, and younger than surviving (unconsumed) juvenile rockfish, providing direct evidence that juvenile coho salmon are selective predators on juvenile quillback rockfish. These differences in early life history traits between consumed and surviving rockfish are related to timing of parturition and the environmental conditions larval rockfish experienced, suggesting that maternal effects may substantially influence survival at this stage. Our results demonstrate that variability in timing of parturition and sea surface temperature leads to tradeoffs in early life history traits between growth in the larval stage and survival when encountering predators in the pelagic juvenile stage.

Life History Traits in a Population of Pelobates syriacus (Boettger, 1889) from Turkey

2020 ◽  
Vol 27 (4) ◽  
pp. 195-200
Author(s):  
Ufuk Bülbül ◽  
Halime Koç ◽  
Yasemin Odabaş ◽  
Ali İhsan Eroğlu ◽  
Muammer Kurnaz ◽  
...  
Keyword(s):  
Life History ◽  
Age Structure ◽  
Life History Traits ◽  
Spadefoot Toad ◽  
Males And Females

Age structure of the eastern spadefoot toad, Pelobates syriacus from the Kızılırmak Delta (Turkey) were assessed using phalangeal skeletochronology. Snout-vent length (SVL) ranged from 42.05 to 86.63 mm in males and 34.03 to 53.27 mm in females. Age of adults ranged from 2 to 8 years in males and 3 to 5 years in females. For both sexes, SVL was significantly correlated with age. Males and females of the toads reached maturity at 2 years of age.

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