Results 51 to 60 of about 1,328 (184)

Trematode Parasite Infections in Freshwater Leeches from the Central Region of Lithuania: First Record of Posthodiplostomum (Dubois, 1936) in a Leech Host

open access: yesDiversity
Leeches play a critical role in the transmission of digenean trematodes, yet their parasitic infections remain understudied in the Baltic region. This study investigates the diversity, prevalence, and molecular identification of trematode infections in ...
Jurgita Rutkauskaitė-Sucilienė   +3 more
doaj   +1 more source

Benthic and interstitial habitats of a lentic spring as invertebrate refuges during supra-seasonal drought [PDF]

open access: yes, 2013
Instream refuges are places where invertebrates persist during disturbances due to reduced adverse impacts. During droughts, low flows may be accompanied by elevated temperatures, and potential refuges including subsurface sediments and spring-fed ...
Stubbington, R, Wood, PJ
core   +1 more source

Notes on the Natural History of the Leeches (Hirudinea) on the George Reserve, Michigan [PDF]

open access: yes, 1968
Author Institution: Department of Zoology, University of Michigan, Ann Arbor, MichiganThe local distribution and relative abundance of the leeches of the E. S. George Reserve, located in southeastern Michigan, were investigated.
Sawyer, Roy T.
core  

Molecular Aspect of Annelid Neuroendocrine system

open access: yes, 2007
Hormonal processes along with enzymatic processing similar to that found in vertebrates occur in annelids. Amino acid sequence determination of annelids precursor gene products reveals the presence of the respective peptides that exhibit high sequence ...
Salzet, M.
core   +1 more source

Seasonal dynamics of an aquatic macroinvertebrate assembly (Hydrobiological case study of Lake Balaton No. 2) [PDF]

open access: yes, 2007
In 2002, 2003 and 2004, we took macoinvertebrate samples on a total of 36 occasions at the Badacsony bay of Lake Balaton. Our sampling site was characterised by areas of open water (in 2003 and 2004 full of reed-grass) as well as by areas covered by ...
Hufnagel, Levente   +3 more
core   +1 more source

A new quadrannulate species of Orobdella (Hirudinida, Arhynchobdellida, Orobdellidae) from central Honshu, Japan. [PDF]

open access: yes, 2014
A new quadrannulate species of Orobdella, Orobdella masaakikuroiwai sp. n., from the mountainous region of central Honshu, Japan is described. This is only the second small species known within this genus, with a body length of less than 4 cm for mature ...
Nakano, Takafumi
core   +3 more sources

Рідкісні види п'явок, молюсків і ракоподібних прісних водойм Харківської області [PDF]

open access: yes, 2015
Збірка описів рідкісних видів безхребетних, які живуть у прісних водоймах Харківщини, присвячена кільчастим червам (п'явкам), молюскам і ракоподібним, що потребують охорони.
Коваленко, М. В.   +3 more
core  

Benthic and Hyporheic Macroinvertebrate Distribution Within the Heads and Tails of Riffles During Baseflow Conditions [PDF]

open access: yes, 2016
The distribution of lotic fauna is widely acknowledged to be patchy reflecting the interaction between biotic and abiotic factors. In an in-situ field study, the distribution of benthic and hyporheic invertebrates in the heads (downwelling) and tails ...
AH Sawyer   +109 more
core   +2 more sources

Biological research of Grabia River - fifty years of activity [PDF]

open access: yes, 2005
Grabia, a small still close to natural conditions lowland river, has been an object of special interest for Łódź hydrobiologists for more than 50 years.
Siciński, Jacek, Tończyk, Grzegorz
core  

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