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Seray Yıldız - One of the best experts on this subject based on the ideXlab platform.

  • Karasu Nehri’nin Sucul Oligochaeta (Annelida) Faunası
    Fisheries Research Institute Eğirdir, 2018
    Co-Authors: Melek Zeybek, Serap KoŞal Şahİn, Seray Yıldız
    Abstract:

    Sakarya Nehir havzası; yukarı, orta ve aşağı (Karasu) olmak üzere üç bölüme ayrılır. Bu çalışma Aşağı Sakarya (Karasu) Nehri’nde gerçekleştirilmiştir. Akarsu üzerinde dört istasyon seçilmiş ve bu istasyonlardan Ocak 2008-Ekim 2008 tarihleri arasında mevsimsel periyotlarla Oligochaeta örnekleri toplanmıştır. Çalışma sonunda, Oligochaeta sınıfına ait sekiz tür bulunmuştur. Bu türler Naididae familyasından ve Tubificinae (Tubificoid Naidid) alt familyasındadır [Limnodrilus hoffmeisteri Claparède, 1862; Limnodrilus udekemianus Claparède, 1862; Limnodrilus claparedeianus Ratzel, 1868; Potamothrix hammoniensis (Michaelsen, 1901); Psammoryctides deserticola (Grimm, 1877); Tubifex blanchardi Vejdovsky, 1891; Tubifex ignotus (Stolc, 1886); Tubifex tubifex (Müller, 1774)]. Ayrıca çalışmada, kirlilik indikatörü olarak bilinen Limnodrilus hoffmeisteri ve Tubifex tubifex türlerinin nehirde baskın olduğu gözlenmiştir

  • Denizli’deki dağ göllerinin Oligochaeta (Annelida) faunası üzerine gözlemler
    Ege University, 2016
    Co-Authors: Seray Yıldız, Ruşen M. Ustaoğlu
    Abstract:

    Sandıras ve Çiçekbaba Dağları zirvelerinde yer alan Kartal Gölü ve zirveye yakın Gökçeova Göleti, Honaz ilçesi yakınlarındaki Saklıgöl ve Bozkurt ilçesi yakınlarındaki Karagöl’ün Oligochaeta (Annelida) faunasını belirlemek üzere 2009, 2010 ve 2011 yılları Haziran, Temmuz ve Ağustos aylarında 4 örnekleme çalışması yapılmıştır. Kalitatif değerlendirmeler sonucunda, örnekleme yapılan göllerin tümünden değişen sayılarda oligoket türleri tespit edilmiş, 3 ordo içeriğinde 3 familyaya ait bireyler tanımlanmıştır. 17’si Naididae (14’ü Tubificinae altfamilyası, 3’ü Naidinae altfamilyası), 1’i Lumbriculidae ve 3’ü Enchytraeidae olmak üzere toplam 21 Oligochaeta taksonu saptanmıştı

  • Melek Zeybek1* • Seyhan Ahıska2 • Seray Yıldız3 1 Süleyman Demirel Üniversitesi Fen Edebiyat Fakültesi Biyoloji Bölümü, 32260, Isparta 2 Ankara Üniversitesi Fen Fakültesi Biyoloji Bölümü, 06100 Beşevler Ankara 3 Ege Üniversitesi Su Ürünleri Fakültesi Su Ürünleri Temel Bilimler Bölümü, 35100, Bornova-İzmir
    Ege University, 2016
    Co-Authors: Melek Zeybek, Seyhan Ahıska, Seray Yıldız
    Abstract:

    Türkiye’nin özellikle doğu bölgelerinin Oligochaeta faunası hakkında bilgiler oldukça sınırlıdır. Bu bölgede yer alan Dicle Nehri, tarih boyunca önemli bir akarsudur ve antik Mezopotomya uygarlıklarının temel kaynaklarından biri olmuştur. Türkiye’nin doğusunda ve Elazığ şehrinin yaklaşık 25 km güneydoğusunda yer alan Toros Dağları’ndan doğan nehrin yaklaşık uzunluğu 1900 km’dir. Ancak bu nehrin sucul makrozoobentik faunası, sahip olduğu zorlu coğrafik ve morfolojik şartlar nedeniyle yeterince araştırılamamıştır. Yapılan bu çalışmada, Dicle Nehri’nin Türkiye’de kalan bölümünde Oligochaeta faunası bakımından bu açıklığı kapatmak ve daha sonraki çalışmalara temel oluşturabilecek bir ön çalışma yapılması hedeflenmiştir. Çalışma sonunda 19’u Naididae (13 takson Naidinae, 6 takson Tubificinae) ve 6’ sı Enchytraeidae familyalarına ait olmak üzere toplam 25 takson belirlenmiştir. Çalışma alanında daha önce Oligochaeta faunasının belirlenmesine yönelik herhangi bir çalışma yapılmadığından tespit edilen taksonlar nehir için yeni kayıt niteliğindedi

  • The Oligochaeta (Annelida) Fauna of the Inland Waters in the Lake District (Turkey).
    Ege University, 2015
    Co-Authors: Seray Yıldız, Süleyman Balık
    Abstract:

    Göller Bölgesi (Türkiye) içsularının Oligochaeta (Annelida) faunası. Göller Bölgesi içsularında dağılım gösteren Oligochaeta faunasının belirlenmesi amacıyla Haziran 1999-Kasım 2000 tarihleri arasında 75 istasyondan (30 kaynak, 21 göl, bir gölet, 12 baraj gölü, 7 akarsu, 3 kanal, bir mağara) toplam 237 bentik örnek alınmıştır. Araştırma sonucunda, 24’ü Tubificidae, 14’ü Naididae, 3’ü Enchytraeidae, 2’si Lumbriculidae, 1’i Lumbricidae, 1’i Haplotaxidae ve 1’i Glossoscolecidae familyalarına ait olmak üzere toplam 46 tür tespit edilmiştir. Tespit edilen türlerden, Henlea nasuta, Tubifex tubifex f. bergi, Limnodrilus hoffmeisteri f. parvus, Ilyodrilus frantzi ve Spirosperma nikolskyi Türkiye Oligochaeta Faunası için ilk kayıt niteliğindedi

  • Trakya Bölgesi’nin sucul ve yarı-sucul oligochaeta faunası
    2012
    Co-Authors: Menekşe Taş, Belgin Elipek Çamur, Timur Kırgız, Naime Arslan, Seray Yıldız
    Abstract:

    Bu çalışmada, 1985-1999 yılları arasında Trakya Bölgesi’ndeki farklı lokalitelerden toplanan tatlısu Oligochaeta örnekleri taksonomik olarak değerlendirildi. Toplamda 11 Oligochaeta türü belirlendi. Ayrıca, Trakya Bölgesi’nde şimdiye dek sucul ve yarı sucul Oligochaeta faunasına ait yayınlanmış taksonomik çalışmalar da bu makalede tartışıldı. Sonuç olarak, Trakya Bölgesi’nde Oligochaeta’ya ait toplam 37 türün bulunduğu özetlendi. Naididae familyası 27 türle en çok karşılaşılan familya olarak belirlenirken bunu, 7 türle Enchytraeidae familyası izledi. Haplotaxidae, Lumbricidae ve Propappidae familyaları ise Trakya Bölgesinde sadece birer türle temsil edildi.In this study, freshwater Oligochaeta samples which were collected between the years 1985 and 1999 from different localities in Turkish Thrace were evaluated taxonomically. A total of 11 Oligochaeta species were determined. Also, all printed taxonomical studies on aquatic and semi-aquatic Oligochaeta fauna which were performed in Turkish Thrace until the present were discussed in this paper. As a result, it was gathered that a total of 37 species belonging Oligochaeta have been reported from Turkish Thrace. While the family Naididae was the most encountered group with 27 species, it was followed by the family Enchytraeidae with 7 species. The families Haplotaxidae, Lumbricidae, and Propappidae were represented by only one species in Turkish Thrace

Jaramillo Londoño, Angela María - One of the best experts on this subject based on the ideXlab platform.

  • Comparación de la calidad del agua en dos ríos altoandinos mediante el uso de los Índices BMWP/COL. Y ABI
    'Universidad Nacional de Colombia', 2019
    Co-Authors: Meneses Campo Yaneth, Castro Rebolledo, María Isabel, Jaramillo Londoño, Angela María
    Abstract:

    Se comparó la calidad ecológica del río Tota durante agosto 2007 y febrero 2008, y el curso alto del río Bogotá entre los meses de octubre 2013 y enero 2014, aplicando los índices BMWP/Col y ABI. Los puntos de muestreo corresponden a la parte alta, media y baja del gradiente longitudinal. En el río Tota se determinaron 27 familias correspondientes a 11 órdenes, donde las más abundantes fueron Baetidae (25,43 %), Leptohyphidae (16,43 %), Naididae (13,76 %), Chironomidae (11,42 %) y Hyalellidae (10,30 %). En el curso alto del río Bogotá se determinaron 32 familias correspondientes a 13 órdenes, y las más abundantes fueron Chironomidae (28,94 %), Leptoceridae (25,20 %), Naididae (18,34 %) y Simuliidae (8,63 %). En el río Tota, El BMWP/Col. presentó una calidad de agua buena, mientras que el ABI presentó una calidad aceptable. Por otra parte, en la parte alta del Río Bogotá, tanto el BMWP/ Col. como el ABI presentaron variaciones en la calidad del agua entre aceptable y muy crítica. El ACC para el río Tota mostró correlaciones entre la temperatura y conductividad con las familias Hyalellidae y Leptohyphidae mientras que el caudal se relaciona con Sphaeriidae; mientras que el curso alto del río Bogotá se correlacionó el caudal, la conductividad y la temperatura con la familia Veliidae. A manera de conclusión, los resultados obtenidos denotan que el índice ABI, que es un índice creado para sistemas andinos de montaña, es más sensible a los impactos que el índice BMWP/Col.The ecological quality of the Tota River was evaluated during August 2007 and February 2008 and compared to the upper part from Bogotá River between October 2013 and January 2014, by applying the BMWP/Col and ABI indexes. The sampling points corresponding to the high, medium and low part of the longitudinal gradient. In the Tota River, 27 families were determined corresponding to 11 orders, where the most abundant were Baetidae (25.43 %), Leptohyphidae (16.43 %), Naididae (13.76 %), Chironomidae (11.42 %) and Hyalellidae (10.30 %). In the upper course of Bogotá River, 32 families were determined to conform 13 orders, where the most abundant were Chironomidae (28.94 %), Leptoceridae (25.20 %), Naididae (18.34 %) and Simuliidae (8.63 %). In the river Tota, The BMWP/Col. The index showed a good status, while the ABI index exhibited an acceptable quality. On the other hand, in the upper part of the Bogotá River, both the BMWP/Col. and ABI showed variations in quality between acceptable and very critical. The CCA for the Tota River exhibited correlations between temperature and conductivity with the families Hyalellidae and Leptohyphidae while the stream flow was linked with the family Sphaeriidae. On the other hand, in the upper part of Bogotá River the stream flow, conductivity and temperature were correlated with the occurrence of the family Veliidae. Our results showed that the ABI index is more sensitive to impacts that the BMWP/Col index is showing its ability to evaluate the Andean mountain systems

  • Comparison of water quality between two andean rivers by using the BMWP/COL. and ABI. Indices
    Ciencia Unisalle, 2019
    Co-Authors: Meneses Campo Yaneth, Castro Rebolledo, María Isabel, Jaramillo Londoño, Angela María
    Abstract:

    The ecological quality of the Tota River was evaluated during August 2007 and February 2008 and compared to the upper part from Bogotá River between October 2013 and January 2014, by applying the BMWP/Col and ABI indexes. The sampling points corresponding to the high, medium and low part of the longitudinal gradient. In the Tota River, 27 families were determined corresponding to 11 orders, where the most abundant were Baetidae (25.43 %), Leptohyphidae (16.43 %), Naididae (13.76 %), Chironomidae (11.42 %) and Hyalellidae (10.30 %). In the upper course of Bogotá River, 32 families were determined to conform 13 orders, where the most abundant were Chironomidae (28.94 %), Leptoceridae (25.20 %), Naididae (18.34 %) and Simuliidae (8.63 %). In the river Tota, The BMWP/Col. The index showed a good status, while the ABI index exhibited an acceptable quality. On the other hand, in the upper part of the Bogotá River, both the BMWP/Col. and ABI showed variations in quality between acceptable and very critical. The CCA for the Tota River exhibited correlations between temperature and conductivity with the families Hyalellidae and Leptohyphidae while the stream flow was linked with the family Sphaeriidae. On the other hand, in the upper part of Bogotá River the stream flow, conductivity and temperature were correlated with the occurrence of the family Veliidae. Our results showed that the ABI index is more sensitive to impacts that the BMWP/Col index is showing its ability to evaluate the Andean mountain systems

Gustavo Q Romero - One of the best experts on this subject based on the ideXlab platform.

  • Changes in rainfall level and litter stoichiometry affect aquatic community and ecosystem processes in bromeliad phytotelmata
    Freshwater Biology, 2019
    Co-Authors: Sandra Benavides-gordillo, Vinicius F. Farjalla, Angélica L. González, Gustavo Q Romero
    Abstract:

    Both N deposition and changes in precipitation amount are important components of global change and affect aquatic ecosystem functioning by altering the detrital quality and detrital processing rates by macroinvertebrates and microorganisms. Changes in precipitation pattern can also modify the physical structure of the ecosystem, determining habitat availability for aquatic organisms. Although these drivers can individually affect ecosystem structure and functioning, their interactive effects are poorly understood. To better understand the combined effects of detritus quality and precipitation regime on the structure and function of aquatic ecosystems we manipulated litter quality, by modifying N:P stoichiometry and rainfall amount on tropical natural aquatic microcosms (water‐holding epiphytic bromeliads). We performed an orthogonal manipulation of litter N:P ratio (natural N:P and high N:P) and rainfall levels (current level and predicted 40% increase for south‐eastern Brazil) Changes in litter quality affected the abundance of the aquatic organisms inhabiting bromeliads, including algae and bacteria. However, changes in litter quality combined with changes in precipitation levels affected only one group of macroinvertebrates, the Naididae worms (Oligochaeta) an important group of detritivores in the bromeliad systems. These combined drivers also affected the decomposition of organic matter by changing coloured organic matter concentrations, fine particulate matter biomass, and NH4+ concentrations in bromeliad tanks. The NH4+ concentration in bromeliad water was positively related with Naididae abundance, suggesting that these worms can act as ecosystem engineers by boosting N cycling. In both N:P treatments we observed a 50% decrease in N flux from litter to bromeliad leaves due to increases in nutrient leaching from the tanks caused by rainfall. The combined effects of litter quality and changes in precipitation regimes altered the decomposition process and nutrient cycling in tank bromeliads, probably through changes in the abundance of some keystone species (e.g. Naididae). Aquatic macroinvertebrate community structure remained similar after manipulating precipitation, despite changes in the abundance of some species. Although some microorganisms were washed out of the system, their abundance inside the bromeliads remained stable. We conclude that the abundance of individuals belonging to aquatic communities in bromeliad phytotelmata are generally stable and resistant to changes in rainfall levels, but are sensitive to changes in litter quality. This experiment showed that the interactive effects of increased precipitation and N concentrations differed from the effects of either factor alone. As responses to changes in these factors were complex rather than additive, caution is required in predicting the outcomes of changes in both factors in freshwater ecosystems.

Mesquita-joanes Francesc - One of the best experts on this subject based on the ideXlab platform.

  • Nuevas aportaciones al conocimiento de macroinvertebrados de agua dulce de Costa Rica y Nicaragua, con especial énfasis en las esponjas
    Facultad de Biología - Universidad de Murcia, 2018
    Co-Authors: Rueda Juan, Mesquita-joanes Francesc
    Abstract:

    The characterization of 30 temporary ponds was done in the tropical dry forest of Costa Rica and Nicaragua, in 2010-2011. Gemmules of sponges were isolated in four of the studied sites. Two new records were set for Nicaragua, Radiospongilla cerebellata (Bowerbank, 1863) and Corvoheteromeyenia heterosclera (Ezcurra de Drago, 1974). In Costa Rica, the last ones was also recorded as well as specimens of Radiospongilla crateriformis (Potts, 1882) were collected. In another pond of Costa Rica, larva of Neuroptera (Insecta) belonging to family Sisyridae, commonly associated to sponges, was collected: Sisyra apicalis Banks, 1908. In addition, we have been able to collect embedded gemmules in the housing tube of the annelid Aulophorus vagus Leidy, 1880 (Annelida: Oligochaeta: Naididae). This species is also here reported for the first time in Costa Rica and Nicaragua.Se estudia la caracterización limnológica de 30 lagunas del bosque tropical seco de Costa Rica y Nicaragua durante 2010-11. Se aislaron gémulas de esponjas de agua dulce en cuatro de las localidades. Se registraron dos nuevas citas de esponjas para Nicaragua, Radiospongilla cerebellata (Bowerbank, 1863) y Corvoheteromeyenia heterosclera (Ezcurra de Drago, 1974). En Costa Rica, también se registró esta última y se recolectaron ejemplares de Radiospongilla crateriformis (Potts, 1882). En otra laguna de Costa Rica, se recolectó una larva de neuróptero (Insecta) de la familia Sisyridae asociada a las esponjas: Sisyra apicalis Banks, 1908. Por otro lado, hemos podido recolectar gémulas incrustadas en el tubo de alojamiento del oligoqueto Aulophorus vagus Leidy, 1880 (Annelida: Oligochaeta: Naididae), que también supone la primera cita para Costa Rica y Nicaragu

  • Nuevas aportaciones al conocimiento de macroinvertebrados de agua dulce de Costa Rica y Nicaragua, con especial énfasis en las esponjas
    2018
    Co-Authors: Rueda Sevilla Juan, Mesquita-joanes Francesc
    Abstract:

    Se estudia la caracterización limnológica de 30 lagunas del bosque tropical seco de Costa Rica y Nicaragua durante 2010-11. Se aislaron gémulas de esponjas de agua dulce en cuatro de las localidades. Se registraron dos nuevas citas de esponjas para Nicaragua, Radiospongilla cerebellata (Bowerbank, 1863) y Corvoheteromeyenia heterosclera (Ezcurra de Drago, 1974). En Costa Rica también se registró esta última y se recolectaron ejemplares de Radiospongilla crateriformis (Potts, 1882). En otra laguna de Costa Rica, se recolectó una larva de neuróptero (Insecta) de la familia Sisyridae asociada a las esponjas: Sisyra apicalis Banks, 1908. Por otro lado, hemos podido recolectar gémulas incrustadas en el tubo de alojamiento del oligoqueto Aulophorus vagus Leidy, 1880 (Annelida: Oligochaeta: Naididae), que también supone la primera cita para Costa Rica y Nicaragu

Hernández González, Silvia Elena - One of the best experts on this subject based on the ideXlab platform.

  • Diagnóstico de la calidad de agua en los tributarios que drenan al Lago Cocibolca
    2007
    Co-Authors: Hernández González, Silvia Elena
    Abstract:

    Se llevó a cabo un estudio con la finalidad de conocer la calidad biológica del agua en los ríos más importantes, Mayales, Acoyapa, Ayate y Tepenaguasapa que drenan al Lago Cocibolca, en base a la composición y diversidad de especies tomando en cuanta su sensibilidad, mediante la aplicación de indices bióticos. Las familias Chironomidae y Naididae fueron muy representativas en los cuatro ríos en estudio, significando esto condiciones óptimas para estas dos familias reportadas en este estudio. La aplicación del índice de diversidad de Shannon y Weaver muestra valores menores de 2.75, señalando que las aguas se pueden calificar como aguas ligeramente contaminadas. El ïndice Biótico de Familia aplicado para los macroinvertebrados mostro un rango de valores entre 5.35 y 8.28 significando una calidad de agua entre regular y mala, con un grado de contaminación ligeramente significativa y contaminación

  • Diagnóstico de la Calidad de Agua de los Tributarios que drenan al Lago Cocibolca.
    2006
    Co-Authors: Hernández González, Silvia Elena
    Abstract:

    Se llevó a cabo un estudio de Enero a Julio del 2003 en los ríos Mayales, Acoyapa, Oyate y Tepenaguasapa más importantes que drenan al lago Cocibolca con la finalidad de conocer la calidad biológica del agua, en base a la composición y diversidad y sensibilidad de las especies del fitoplancton y macroinvertebrados tomando en cuanta su sensibilidad, mediante la aplicación del Indice de Shannon y Weaver, Indice Biótico de Familia, Familias dominantes y especies representativas. La aplicación del índice de diversidad de Shannon y Weaver para el fitoplancton muestra valores menores de 2.75, señalando que las aguas se pueden clasificar como aguas ligeramente contaminadas. Las familias Chironomidae y Naididae con el género Nais sp. fueron muy representativas en los cuatro ríos en estudio, significando esto condiciones optimas para estas dos familias reportadas en este estudio. El Índice Biótico de Familia aplicado para los macroinvertebrados mostró un rango de valores entre 5.35 y 8.28 significando una calidad de agua entre regular y mala, con un grado de contaminación entre contaminación ligeramente significativa y contaminación orgánica muy significativa

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