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Journals / Journal of Limnology and Freshwater Fisheries Research / 2021 / Cilt: 7 - Sayı: 1

The Comparative Gut Content Analysis of Some Chironomidae Larvae Living in the Freshwaters at Northern Thrace Region of Turkey

Türkiye'nin Kuzey Trakya Bölgesi'ndeki Tatlı Sularda Yaşayan Bazı Chironomidae Larvalarının Karşılaştırmalı Mide İçerik Analizi

Gazel Burcu AYDIN
Hüseyin GÜHER
Burak ÖTERLER
Belgin ÇAMUR ELİPEK
Pages
14–23
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the results of the Shannon-Wiener (H')index species, diversity of the P. scalaenum was found to be the highest amongthe larvae (H'= 1.345).

📌 3 Key Takeaways

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Objective & Hypothesis:The roles of larval chironomids in the food chain of both the lotic and the lenticecosystems are very important.
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Key Findings & Data:In this study, the gut contents of Cryptochironomusdefectus (Kieffer, 1913), Cladotanytarsus mancus (Walker, 1856), Polypedilumscalaenum (Schrank, 1803), Tanypus kraatzi (Kieffer, 1912) collected from thefreshwater ecosystems located in the northern parts of the Thrace region of Turkeywere analyzed to compare their feeding habits.
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Conclusion & Impact:According to the results of the Shannon-Wiener (H')index species, diversity of the P. scalaenum was found to be the highest amongthe larvae (H'= 1.345).
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The roles of larval chironomids in the food chain of both the lotic and the lenticecosystems are very important. On the one hand, chironomid larvae feeding onalgae, diatoms, rotting organic matter, plant, and animal residues also play animportant role in these systems as a source of food for other carnivores andomnivorous organisms. In this study, the gut contents of Cryptochironomusdefectus (Kieffer, 1913), Cladotanytarsus mancus (Walker, 1856), Polypedilumscalaenum (Schrank, 1803), Tanypus kraatzi (Kieffer, 1912) collected from thefreshwater ecosystems located in the northern parts of the Thrace region of Turkeywere analyzed to compare their feeding habits. As a result of the analysis, it wasdetermined that while plant fragments were dominant in C. defectus species in thegut content (44.3%), algae were dominant for C. mancus (44.7%), P. scalaenum(63.5%), T. kraatzi (65%). According to the results of the Shannon-Wiener (H')index species, diversity of the P. scalaenum was found to be the highest amongthe larvae (H'= 1.345). Also, according to the Bray-Curtis similarity index, themost similar types of gut contents were P. scalaenum and C. defectus (38%). Thislow rate indicated that the species have different food preferences

Özet

Gerek lotik gerekse lentik ekosistemlerin besin zincirinde larval chironomidlerin rolü oldukça büyüktür. Ayrıca, algler, diyatomlar, çürüyen organik madde, bitki ve hayvan kalıntıları ile beslenen chironomid larvaları, bu sistemlerde diğer karnivor ve omnivor organizmalar için bir besin kaynağı olarak da önemli bir rol oynamaktadır. Bu çalışmada, Trakya Bölgesi’nin kuzey bölgelerinde bulunan tatlı su ekosistemlerinden toplanan Cryptochironomus defectus (Kieffer, 1913), Cladotanytarsus mancus (Walker, 1856), Polypedilum scalaenum (Schrank, 1803), Tanypus kraatzi (Kieffer, 1912) türlerinin mide içerikleri, bu türlerin beslenme alışkanlıklarını karşılaştırmak için analiz edildi. Analiz sonucunda C. defectus’un mide içeriğinde (%44,3) bitki parçalarının baskın olduğu, C. mancus (%44,7), P. scalaenum (%63,5), T kraatzi (%65) için alglerin baskın olduğu belirlendi. Shannon-Wiener (H ') indeksi sonuçlarına göre, P. scalaenum’un mide içeriğinin çeşitliliğinin larvalar arasında en yüksek olduğu bulundu (H' = 1,345). Ayrıca, Bray-Curtis benzerlik endeksine göre, mide içeriği en benzer P. scalaenum ve C. defectus olduğu saptandı (%38). Bu düşük oran, türlerin farklı besin tercihlerine sahip olduğunu gösterdi

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Cite This Article

AYDIN, G. B., GÜHER, H., ÖTERLER, B., ELİPEK, B. Ç. (2022). The Comparative Gut Content Analysis of Some Chironomidae Larvae Living in the Freshwaters at Northern Thrace Region of Turkey. Journal of Limnology and Freshwater Fisheries Research, Cilt: 7 - Sayı: 1, 14–23. https://ajindex.com/articles/564164

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