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ARS Home » Southeast Area » Stuttgart, Arkansas » Harry K. Dupree Stuttgart National Aquaculture Research Cntr » Research » Publications at this Location » Publication #126453
Title: DIET ANALYSIS OF DOUBLE-CRESTED CORMORANTS AND LARGEMOUTH BASS IN LAKE CHICOT.

Author
item FENECH, AMY - UAPB
item STEVE, LOCHMANN - UAPB
item Radomski, Andrew

Submitted to: Arkansas Game and Fish Commission Symposium
Publication Type: Abstract Only
Publication Acceptance Date: 2/10/2001
Publication Date: 4/5/2001
Citation: FENECH, A., STEVE, L., RADOMSKI, A.A. DIET ANALYSIS OF DOUBLE-CRESTED CORMORANTS AND LARGEMOUTH BASS IN LAKE CHICOT.. ARKANSAS GAME AND FISH COMMISSION SYMPOSIUM. 2001. p.8.

Interpretive Summary:

Technical Abstract: Interactions among piscivorous animals, such as double crested cormorants (Phalacrocorax auritus) and largemouth bass (Micropterus salmoides), and economically important fish species are unclear. Collections of these two predators were taken seasonally with an additional collection of largemouth bass taken in the summer months. The diet of these predators was examined. Bioenergetic models will be used to determine which of these factors has a greater impact on the mortality of sport fish in Lake Chicot. Greater than 90% frequency of occurrence of cormorant prey is composed of shad (Dorosoma sp.) and yellow bass (Morone mississippienis). Other common cormorant prey species include channel catfish (Ictalurus punctatus), and sunfish (Lepomis sp.) with a freqency of occurrence equal to 4.33% and 3.42%, respectively. The minimum size of cormorant prey species was 64 mm, maximum length was 300 mm, and mean prey length was 189 mm.