Results 1 to 10 of about 1,130 (206)

The effects of operational conditions on the respiration rate of Tubificidae. [PDF]

open access: yesPLoS ONE, 2013
Tubificidae is often used in the wastewater treatment systems to minimize the sludge production because it can be fed on the activated sludge. The process conditions have effect on the growth, reproduction, and sludge reduction efficiency of Tubificidae.
Juqing Lou   +3 more
doaj   +5 more sources

First record of Bothrioneurum vejdovskyanum Štolc, 1886 (Oligochaeta, Tubificidae) in Serbia [PDF]

open access: yesArchives of Biological Sciences, 2012
We report the discovery of Bothrioneurum vejdovskyanum Štolc, 1886 (Annelida: Oligochaeta: Tubificidae: Rhyacodrilinae) in Serbian freshwaters. Fifteen specimens were found in the middle course of the River Ibar (southern Serbia), at a locality where ...
Vasiljević Božica   +6 more
doaj   +9 more sources

Increasing fish production in recirculating aquaculture system by integrating a biofloc-worm reactor for protein recovery [PDF]

open access: yesWater Research X
Aquaculture, producing half of global fish production, offers a high-quality protein source for humans. Improving nitrogen use efficiency (NUE) through microbial protein recovery is crucial for increasing fish production and reducing environmental ...
Yuren Wang   +4 more
doaj   +2 more sources

Water Chemistry and Habitat Size Predict Spawning Success in Endangered Hynobius yangi: Feeding Ecology and Implications for Urban Wetland Design [PDF]

open access: yesAnimals
Urbanization threatens amphibians through habitat loss and fragmentation. The critically endangered Hynobius yangi, endemic to Korea, faces severe habitat destruction from urban development.
Jeong-Soo Gim   +8 more
doaj   +2 more sources

Assessment of aquatic ecosystem health in Gorgan Bay based on biotic indices [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2023
The relationship between spatial patterns of macrobenthic community characteristics and environmental conditions (dissolved oxygen, temperature, salinity, organic matter content and sediment particle size) was studied at 12 stations in Gorgan Bay (South ...
Raheleh Motamedi   +3 more
doaj   +1 more source

Sediment Assessment of Al-Hindyia and Al-Abbasyia River / Iraq by aquatic oligocheata community as bioindicators

open access: yesمجلة بغداد للعلوم, 2023
             Bioindicators have an important role in assessing the quality of water bodies. Aquatic oligocheates, was used as a bioindicator to assess the sediment quality of Al-Hindyia and AL-Abbasyia river (branches of Euphrates River in Iraq).
Nadia Imad AL-Ameen   +1 more
doaj   +1 more source

Fauna de Oligoquetos acuáticos (Annelida, Oligochaeta) bentónicos y subterráneos de la isla de Coiba (Panamá) y Cuba

open access: yesGraellsia, 2002
Un total de 15 taxones de oligoquetos acuáticos han sido identificados en dos colecciones de la isla de Coiba del Museo Nacional de Ciencias Naturales (MNCN, Madrid) y Cuba (leg. Dra. Ana Camacho).
P. Rodríguez
doaj   +1 more source

Pollution Bio- indicators In Al-Diwania River A1- (^a?lisia Province / Iraq

open access: yesمجلة بغداد للعلوم, 2004
Benthic invertebrates were used as bio- indicators to evaluate the pollution in -Diwania River . Five stations were selected for this purpose , extending from A1 -?? rtream to A1- Sadeer District downstream .
Baghdad Science Journal
doaj   +1 more source

Effect of initial feeding on the growth and survival of larvae Acipenser baerii ♀×Acipenser schrenckii ♂

open access: yesSiliao yanjiu, 2021
The aim of the experiment was to study the effect of initial feeding on the growth and survival of larvae Acipenser baerii ♀×Acipenser schrenckii ♂. Larvae Acipenser baerii ♀×Acipenser schrenckii ♂ with average body weight of (0.034 4±0.001 8) g were ...
Yan-hua LI   +5 more
doaj  

Çubuk Çayında Ankara Bentik Makro Omurgasızların Yapısı

open access: yesJournal of Agricultural Sciences, 2001
Bu çal ışmada Çubuk Çayı 'ndaki Ankara organik kirlenmeye ba ğ l ı olarak bentik makro omurgas ı zlar ı n organizma çeşitliliği ve bolluk durumu incelenmi ştir. Araşt ı rmada Tubificidae Annelidae , Chironomidae Diptera , Erpobdellidae Hirudinea ,
Hijran Yavuzcan Yıldız
doaj   +1 more source

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