The Use of Niche Breadth and Proportional Similarity in Feeding to Stipulate Resource Utilization Strategies in Fish

Rachlin, Joseph W.; Warkentine, Barbara E.; Pappantoniou, Antonios

doi:10.1080/02705060.1989.9665218

Cited by 12 publications

(10 citation statements)

References 28 publications

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“…The index is a normalized modification of Simpson's dominance index (Rachlin et al 1989). The equation is as follows:…”

Section: Discussionmentioning

confidence: 99%

“…Dickman (1986) argued that proportional similarity and niche breadth should be used together to obtain a broader, more complete dietary assessment. In conjunction with Levins' NB, proportional similarity (PS) (Feinsinger et al 1981;Rachlin et al 1989) was used to determine the foraging mode of a darter species at both taxonomic scales. Environ Biol Fish (2007) 78:353-364 355 In our study, proportional similarity measured the probability that the relative abundance of invertebrate taxa from a darter species' diet had the same relative abundance in the resource base.…”

Section: Discussionmentioning

confidence: 99%

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Selective predation by four darter (Percidae) species on larval chironomids (Diptera) from a Mississippi stream

Alford

Beckett

2006

Environ Biol Fish

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We determined seasonal foraging modes of four sympatric darter species, Etheostoma lynceum, E. stigmaeum, E. swaini and Percina nigrofasciata, from Beaverdam Creek, Mississippi (USA) at two scales of taxonomic resolution: (1) chironomid prey identified to family and (2) chironomid prey identified to genus/species. When chironomids were identified to family, high proportional similarity (PS) and low niche breadth (NB) values suggested the darters fed opportunistically on a relatively small number of available prey taxa. In contrast, when chironomids were identified to genus/species, concordant low PS and NB values suggested the darters fed like classic specialists, selecting a small number of prey taxa relative to prey availability in the resource base. The darters selected just one to four chironomid taxa from 52 available taxa across seasons. Our study shows that the scale of taxonomic resolution used to identify darter prey may influence the characterization of darter foraging modes.

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“…The index is a normalized modification of Simpson's dominance index (Rachlin et al 1989). The equation is as follows:…”

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Selective predation by four darter (Percidae) species on larval chironomids (Diptera) from a Mississippi stream

Alford

Beckett

2006

Environ Biol Fish

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show abstract

“…PS= 1 -0.5Clp, -q , l , where p, is the proportion taxon 1 contributes to the diet and q( is the proportion the same item contributes to the resource base (Peinsinger et al 1981, Rachlin et al 1989). Values range from a minimum of 0.000 for a population feeding disaportionately with respect to the resource base to a maximum value of 1.000 for complete proportional feeding.…”

Section: Introdyctionmentioning

confidence: 99%

Diet Selectivity in the Johnny Darter,Etheostoma Nigrum, in Stinking Fork, Indiana

Strange

1991

Journal of Freshwater Ecology

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“…where a is the proportion that a taxon contributes to the diet and R is the proportion that the same item contributes to the resource base (Linton et al 1981, Rachlin et al 1989). Values range from a minimum of 0.000 for a population feeding disaportionately with respect to the resource base to a maximum value of 1.000 for complete proportional feeding.…”

Section: Obs)mentioning

confidence: 99%

Seasonal Feeding Ecology of the Fantail Darter,Etheostoma flabellare, from Stinking Fork, Indiana

Strange

1993

Journal of Freshwater Ecology

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The food habits of the fantail darter were studied in Stinking Fork, a tributary of the Little Blue River in southern Indiana. A total of 593 darters were collected and their stomach contents examined over the course of four seasons. Juvenile and adult diets were similar. Chironomid larvae were consistently the most important food item each season, while ephemeropteran naiads, plecopteran nymphs, and ostracods were of seasonal importance. Resource use seemed to be related to abundance and marks the fantail darter as an opportunist in its feeding behavior.

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The Use of Niche Breadth and Proportional Similarity in Feeding to Stipulate Resource Utilization Strategies in Fish

Cited by 12 publications

References 28 publications

Selective predation by four darter (Percidae) species on larval chironomids (Diptera) from a Mississippi stream

Selective predation by four darter (Percidae) species on larval chironomids (Diptera) from a Mississippi stream

Diet Selectivity in the Johnny Darter,Etheostoma Nigrum, in Stinking Fork, Indiana

Seasonal Feeding Ecology of the Fantail Darter,Etheostoma flabellare, from Stinking Fork, Indiana

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