Population Energetics and Ecology of the Rock Grasshopper, Trimerotropis Saxatilis

Duke, Kenneth M.; Crossley, D. A.

doi:10.2307/1936150

Cited by 36 publications

(17 citation statements)

References 25 publications

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“…\ . Duke and Crossley 1975;6, Hinton 1971;7, Miller and Mann 1973;8, Wiegert and Evans 1%7;9, Otto 1975;10. Johnson 1976;II, Albert 1983;12.…”

Section: Resultsmentioning

confidence: 99%

Bioenergetics of the western spruce budworm (Lepidoptera: Tortricidae) with comments on endotherm and ectotherm population energetics

Reichenbach¹,

Stairs²

1985

Can. J. Zool.

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Energetic components (respiration, consumption, frass production, and growth) for larvae of the western spruce budworm (WSB), Choristoneura occidentalis, were modeled using multiple regression techniques for a range of temperatures (10–31 °C) and body weights (5–200 mg). These functions were used in a simulation of the bioenergetics of the WSB under different variable temperature regimes (average temperatures ranging from 10 to 22 °C). Simulation results showed that production increased as temperature increased. Net production efficiencies remained high (maximum ca. 32%) for all temperature regimes save the lowest, in which the maximum net production efficiency (production/assimilation) was 16%. Final assimilation efficiencies ranged from 50 to 52%. Early instar larvae had low total respiration costs, high assimilation efficiencies, low consumption rates, and rapid rates of tissue production. As the larvae increased in size, consumption rates increased, assimilation efficiencies declined, yet the total amount of energy assimilated increased so that production continued. Population energetics of the larvae showed that WSB were similar to other herbivorous ectotherms. Relative to endotherms, ectotherm populations consume similar quantities of energy and exist at higher biomasses per unit area.

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“…\ . Duke and Crossley 1975;6, Hinton 1971;7, Miller and Mann 1973;8, Wiegert and Evans 1%7;9, Otto 1975;10. Johnson 1976;II, Albert 1983;12.…”

Section: Resultsmentioning

confidence: 99%

Bioenergetics of the western spruce budworm (Lepidoptera: Tortricidae) with comments on endotherm and ectotherm population energetics

Reichenbach¹,

Stairs²

1985

Can. J. Zool.

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“…Staikou et al, 1988;Staikou and Lazaridoudimitriadou, 1990) and grasshoppers (e.g. Duke and Crossley, 1975;Meyer et al, 2002), secondary production studies have never really taken hold in terrestrial ecology. It is also apparent that the majority (almost 80%) of aquatic studies focused on benthic invertebrates, 54% in freshwater (principally in streams and rivers) and 46% in marine.…”

Section: Ninety Years Of Population-based Secondary Production Analysismentioning

confidence: 99%

Secondary production as part of bioenergetic theory—contributions from freshwater benthic science

Benke

2010

River Research & Apps

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Bioenergetics and energy flow studies have played a prominent role in ecology since the time of Raymond Lindeman's classic paper. Several early seminal studies, including Lindeman's, were on freshwater ecosystems, all of which included benthic secondary production as an important element. Independently of these energy flow studies, benthic ecologists have played a major role in developing the methods of population-based secondary production, and produced the majority of all secondary production studies in ecology. These studies have not only contributed to our understanding of the importance of animals in ecosystem energy flow, but production is now used to address a wide variety of ecological questions from the construction of quantitative food webs, to examining predator-prey relationships, to experimental studies of food resource use, to assessing the effects of nonnative species, pollution and catchment land-use change. Unfortunately, appreciation of the utility of secondary production is largely restricted to aquatic ecologists, particularly those working in freshwater and marine benthic habitats. Further, treatment of secondary production is very limited in most general ecology texts. Continued use of secondary production to address a diversity of ecological questions should result in a greater appreciation of its advantages and cause it to become better known in the broader ecological community.

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“…Moreover, the shallow, mineral soil overlying impervious rock and the sparse vegetation cover lead to extraordinarily high runoff. It has been estimated that more than 95 % of the annual precipitation in outcrop communities is lost as direct runoff versus only 10 %, on average, for the Piedmont of Georgia (Duke and Crossley 1975). These conditions make the granite outcrops "islands of desert embedded in a sea of mesic deciduous forest" (Wyatt 1997).…”

Section: Microenvironments On Granite Outcropsmentioning

confidence: 99%

Flora and Vegetation of Granite Outcrops in the Southeastern United States

Wyatt¹,

Allison²

2000

Inselbergs

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Population Energetics and Ecology of the Rock Grasshopper, Trimerotropis Saxatilis

Cited by 36 publications

References 25 publications

Bioenergetics of the western spruce budworm (Lepidoptera: Tortricidae) with comments on endotherm and ectotherm population energetics

Bioenergetics of the western spruce budworm (Lepidoptera: Tortricidae) with comments on endotherm and ectotherm population energetics

Secondary production as part of bioenergetic theory—contributions from freshwater benthic science

Flora and Vegetation of Granite Outcrops in the Southeastern United States

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