Results 91 to 100 of about 1,684 (171)

First report of freshwater leech Helobdella stagnalis (Rhyncobdellida: Glossiphoniidae) as a parasite of an anuran amphibian

open access: yesActa Herpetologica, 2010
The authors describe the first case of parasitism on anuran amphibian, Rana temporaria, by the freshwater leech Helobdella stagnalis, in a mountainous area of northwestern Italy.
Rocco Tiberti, Augusto Gentilli
doaj   +1 more source

Diversity of Aquatic Biota as Bioindicator for Water Quality of Ranu Pani and Ranu Regulo [PDF]

open access: yes, 2012
Changes in water conditions greatly affect the presence and ability of aquatic biota to survive in their habitat. The presence of these biota are largely determined by the physical and chemical conditions of water, so that the community structure of ...
Harianie, Liliek   +2 more
core  

RIVPACS database documentation. Final report [PDF]

open access: yes, 2007
With the advent of the EU Water Framework Directive the concept of the 'reference condition' has become explicit within the legislative framework of the European Union.
Clarke, Ralph   +6 more
core  

Macrobenthos of lower Zayandehrud River [PDF]

open access: yesبوم‌شناسی آبزیان, 2015
To study the macrobenthos of the lower reaches of Zayandehrud River, a distance of approximately 160 km, between Birds Garden and Varzaneh Town was investigated.
Eisa Ebrahimi   +2 more
doaj  

Insects in the Killbuck Marsh Wildlife Area: 1993 Survey [PDF]

open access: yes, 1995
Author Institution: Ohio Agricultural Research and Development Center, Ohio State UniversityThe Killbuck Marsh Wildlife Area was the focus of a seven month survey performed in 1993 to determine the diversity of selected insects.
Ellis, M. S.   +2 more
core  

Biological and toxicological investigations of Chicago area navigation projects [PDF]

open access: yes, 1987
unpublishednot peer ...
Dorkin, John   +4 more
core  

An Investigation into the Diversity of Leeches (Hirudinida) in the Baltic States

open access: yesDiversity
The Baltic states—Estonia, Latvia, and Lithuania—are situated on the eastern coast of the Baltic Sea between Russia and the Scandinavian countries. This region is characterized by diverse landscapes and numerous bodies of water, including lakes, peat ...
Jurgita Rutkauskaite-Suciliene   +2 more
doaj   +1 more source

Il Lago della Ninfa (Appennino modenese): comunit\ue0 macrozoobentonica, fauna vertebrata e considerazioni ecologiche [PDF]

open access: yes, 2015
The biocoenoses of Lake Ninfa in the Northern Apennines (Province of Modena, Italy) have undergone heavy tampering since 1961 when this small impoundment was completely emptied in order to allow the dredging of the lake bottom. Consequently, the original
Ansaloni, Ivano   +5 more
core  

Sanguijuelas (Hirudinea: Glossiphoniidae) asociadas a Cryphiops caementarius (Decapoda: Palaemonidae) del Río Limarí, Chile

open access: yesRevista de Biología Tropical, 2007
Sanguijuelas de las dos especies Helobdella duplicata y H. triserialis (ambas Glossiphonidae) parasitan al camarón de río Cryphiops caementarius en río Limarí, Chile. El 47 % de los camarones estaba parasitado por una o ambas especies de hirudíneos.
Patricio Tello   +2 more
doaj  

Juvenile detachment, an early sign of departure from parental care, in the leech Orientobdelloides siamensis (Oka, 1917).

open access: yesPLoS ONE
Glossiphoniidae is a family of freshwater leeches, notable for their unique behaviour of parental care. After hatching, juveniles remain on the ventral side of their parent, where they receive protection and grow until they are ready to depart from the ...
Poramad Trivalairat   +3 more
doaj   +1 more source

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