Linking habitat and life history for conservation of the rare saltmarsh topminnow Fundulus jenkinsi: morphometrics, reproduction, and trophic ecology

JD Lopez; MS Peterson; ET Lang; AM Charbonnet

doi:10.3354/esr00294

Linking habitat and life history for conservation of the rare saltmarsh topminnow Fundulus jenkinsi: morphometrics, reproduction, and trophic ecology

Endangered Species Research ◽

10.3354/esr00294 ◽

2010 ◽

Vol 12 (2) ◽

pp. 141-155 ◽

Cited By ~ 11

Author(s):

JD Lopez ◽

MS Peterson ◽

ET Lang ◽

AM Charbonnet

Keyword(s):

Life History ◽

Trophic Ecology ◽

Fundulus Jenkinsi

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Life history patterns and trophic ecology of Trichoptera in two Alaskan (U.S.A.) subarctic streams

Canadian Journal of Zoology ◽

10.1139/z88-184 ◽

1988 ◽

Vol 66 (6) ◽

pp. 1258-1265 ◽

Cited By ~ 17

Author(s):

John G. Irons III

Keyword(s):

Life History ◽

Boreal Forest ◽

Life Histories ◽

Trophic Ecology ◽

Similar Species ◽

Allochthonous Input ◽

Interior Alaska ◽

West Fork ◽

Life History Patterns ◽

Periphyton Biomass

Monument Creek and West Fork, two interior Alaskan streams that are tributaries of the Chena River, are characterized by low water temperatures, low allochthonous input and periphyton biomass, and lengthy ice cover. Nine species of Trichoptera were found: Rhyacophila vofixa (Rhyacophilidae), Glossosoma verdona, Glossosoma alascense (Glossosomatidae), Brachycentrus americanus (Brachycentridae), Hydatophylax variabilis, Ecclisomyia conspersa, Onocosmoecus unicolor, Chyranda centralis, and Apatania crymophila (Limnephilidae). There were four shredders, three scrapers, one omnivore, and one predator. Within the shredder and scraper guilds, species had partially overlapping univoltine life histories, perhaps allowing functionally similar species to use the same food resources. The trichopteran fauna of interior Alaska seems to be composed of species typical of boreal forest, with arctic, western montane, and Siberian influences.

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Amphibian life history in a temperate environment of the Mexican Plateau: dimorphism, phenology and trophic ecology of a hylid frog, Hyla eximia (=Dryophytes eximius)

PeerJ ◽

10.7717/peerj.5897 ◽

2018 ◽

Vol 6 ◽

pp. e5897 ◽

Cited By ~ 1

Author(s):

Uriel Hernández-Salinas ◽

Aurelio Ramírez-Bautista ◽

Barry P. Stephenson ◽

Raciel Cruz-Elizalde ◽

Christian Berriozabal-Islas ◽

...

Keyword(s):

Life History ◽

Rainy Season ◽

Logistic Model ◽

Trophic Ecology ◽

Growth Patterns ◽

Peak Period ◽

Von Bertalanffy Model ◽

Egg Deposition ◽

Temperate Environment ◽

Reproductive Cycles

The study of demographic and life history aspects of an organism provides valuable information for its conservation. Here, we analyze the phenology of the Mountain Treefrog Hyla eximia (= Dryophytes eximius) in a temperate environment of the Mexican Plateau. Females were larger in snout-vent length and body mass than males. The peak period of activity occurred in the rainy season (May–September), with amplexus and egg deposition occurring between June and July, and larval development from July to August. A logistic model best explained observed male growth patterns, while the Von Bertalanffy model better described female growth. Notably, males grew faster than females, although females reached a larger overall body size. The diet of this species is made up of 10 prey categories. The index of diet importance indicated that males feed mainly on Coleoptera and Diptera, while females feed on Coleoptera, Diptera, Hemiptera, and Aranea. Both females and males showed a significant abundance of plant material in their stomachs, suggesting that H. eximia might exhibit highly specialized feeding behavior. Reproduction was seasonal, and both female and male reproductive cycles are synchronized with the rainy season. These natural history characteristics provide information to better understand their responses to environmental conditions.

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Interrelationships of factors of social development are more complex than Life History Theory predicts

Behavioral and Brain Sciences ◽

10.1017/s0140525x19000177 ◽

2019 ◽

Vol 42 ◽

Author(s):

Boris Kotchoubey

Keyword(s):

Life History ◽

Social Development ◽

Life History Theory ◽

Strong Correlations ◽

Behavioral Features

Abstract Life History Theory (LHT) predicts a monotonous relationship between affluence and the rate of innovations and strong correlations within a cluster of behavioral features. Although both predictions can be true in specific cases, they are incorrect in general. Therefore, the author's explanations may be right, but they do not prove LHT and cannot be generalized to other apparently similar processes.

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