NDLI: The impact of nigorobuna crucian carp larvae/fry stocking and rice-straw application on the community structure of aquatic organisms in Japanese rice fields

Content Provider	Springer Nature Link
Author	Yamazaki, Masatsugu Ohtsuka, Taisuke Kusuoka, Yasushi Maehata, Masayoshi Obayashi, Hiroyuki Imai, Kiyoyuki Shibahara, Fujiyoshi Kimura, Makoto
Copyright Year	2010
Abstract	We examined the effects of predation by Nigorobuna Carassius auratus grandoculis larvae and fry, a crucian carp endemic to Lake Biwa, Japan, on the community structure of aquatic organisms in rice fields. Six experimental plots with three different rice-straw treatments in the presence/absence of stocked larvae were prepared. In each plot, the number of aquatic organisms ranging in size from 30 μm to 5 mm in the water, as well as those from 63 μm to 5 mm in size in the surface sediments, was surveyed 6, 13, 20, 26, 34, and 41 days after the onset of irrigation. Three-day-old fish larvae were released on day 10. Undigested organisms in the gut contents of the larvae or fry were identified on days 20, 26, 34, and 41, respectively. Ten-day-old larvae mainly preyed on Cladocera, but the fry thereafter shifted to Diptera as their main prey. While Cladocera and Podocopida decreased in fish-stocked plots, Euglenales and Halteriida became more abundant there. Top-down or bottom-up effects of fish seemed to control these changes in community structure.
Starting Page	207
Ending Page	217
Page Count	11
File Format	PDF
ISSN	09199268
Journal	Fisheries Science
Volume Number	76
Issue Number	2
e-ISSN	14442906
Language	English
Publisher	Springer Japan
Publisher Date	2010-01-20
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carassius auratus grandoculis Cladocera Indirect bottom-up effect Rice field Top-down trophic cascade Food Science Freshwater & Marine Ecology Fish & Wildlife Biology & Management
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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Seasonal distribution of adult crucian carp nigorobuna Carassius auratus grandoculis and gengoroubuna Carassius cuvieri in Lake Biwa, Japan

Morphological characteristics of Nigorobuna Carassius auratus grandoculis called Io in Lake Nishino

Sex ratios of nigorobuna Carassius auratus grandoculis reared in paddy fields with fluctuating temperatures during larval and juvenile growth stages

Purification and characterization of cysteine proteinase inhibitors from crucian carp Carassius auratus eggs

Molecular cloning of CD4 from ginbuna crucian carp Carassius auratus langsdorfii

Identification and characterization of multiple lck genes in ginbuna crucian carp Carassius auratus langsdorfii

Transcriptome-derived EST–SSR markers and their correlations with growth traits in crucian carp Carassius auratus

Genetic characterization of the progeny of a pair of the tetraploid silver crucian carp Carassius auratus langsdorfii

Influence of stocking density and type of feed on the rearing of crucian carp, Carassius carassius (L.), larvae under controlled conditions

The impact of nigorobuna crucian carp larvae/fry stocking and rice-straw application on the community structure of aquatic organisms in Japanese rice fields

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Sex ratios of nigorobuna Carassius auratus grandoculis reared in paddy fields with fluctuating temperatures during larval and juvenile growth stages

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