Results 61 to 70 of about 1,684 (171)

An annotated check list of the leeches (Annelida : Hirudinea) of the Kruger National Park with a key to the species

open access: yesKoedoe: African Protected Area Conservation and Science, 1991
The diagnosis, distribution and bionomics of the ten species of leeches occurring in the Kruger National Park and a key to the identification of the species are presented.
J.H. Oosthuizen
doaj   +1 more source

Taxonomy and Melanism Patterns of Freshwater Leeches in the Genus Glossiphonia (Hirudinea: Glossiphoniidae) from Northeast Asia

open access: yesDiversity, 2023
Freshwater leeches belonging to the genus Glossiphonia Johnson, 1816 are fairly common benthic annelids in freshwater ecosystems throughout Eurasia, but the taxonomy of this group remains poorly resolved, and the species content of some local faunas is ...
Ivan N. Bolotov   +10 more
doaj   +1 more source

Leeches (Annelida: Hirudinida) of Northern Arkansas [PDF]

open access: yes, 2006
Twenty-one lotic and lentic environments throughout central and northern Arkansas were surveyed for the presence of leeches during June 2004 and April, July - October 2005.
Daniels, Bruce A.   +5 more
core  

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

Digenea, Strigeidae, Australapatemon canadensis Dubois and Rausch, 1950: first record in South America and a new host record [PDF]

open access: yes, 2010
Australapatemon canadensis Dubois and Rausch, 1950 (Digenea, Strigeidae) is reported parasitizing to Cygnus melancoryphus (Molina) (Anatidae) from Lacombe Lagoon, Buenos Aires Province and Pellegrini Lake Río Negro Province, Argentina.
Drago, Fabiana Beatriz   +1 more
core   +3 more sources

Horticulture affects macroinvertebrate assemblages in adjacent streams (Buenos Aires, Argentina)

open access: yesKnowledge and Management of Aquatic Ecosystems, 2020
The agrochemicals used on crops can reach watercourses, affecting water quality and biologic communities. The aim of this research was to study the effects of horticulture on the water quality and invertebrate assemblages of adjacent streams in Buenos ...
Arias Marina   +7 more
doaj   +1 more source

Abundance and composition of invertebrate-feeding leeches in relation to fish status in ponds

open access: yesThe European Zoological Journal, 2023
Leeches feeding on invertebrates are an important component of freshwater communities, including those dominated by fish, but the effects of fish on their abundance and distribution are not well explored.
M. Nieoczym   +4 more
doaj   +1 more source

Hidden highways: fungi associated with glossiphoniid leeches

open access: yesInternational Journal for Parasitology: Parasites and Wildlife
Fungi associated with aquatic invertebrates remain poorly characterized, particularly those inhabiting leeches (Hirudinea), which are key components of freshwater ecosystems.
Maciej Grobelski   +2 more
doaj   +1 more source

ENSAMBLAJE DE MACROINVERTEBRADOS ACUÁTICOS Y SU RELACIÓN CON LAS VARIABLES FÍSICAS Y QUÍMICAS EN EL HUMEDAL DE JABOQUE-COLOMBIA

open access: yesCaldasia, 2013
Desde abril de 2009 hasta enero de 2010, se estudió la composición y la estructura del ensamblaje de macroinvertebrados asociados a la vegetación acuática flotante y al sedimento del humedal de Jaboque (Bogotá, D.C.) y se realizaron mediciones de las ...
JOHN JADER RIVERA-USME   +2 more
doaj  

Rio Fervença: efeitos da perturbação no ecossistema [PDF]

open access: yes, 2013
As atividades humanas interferem nos sistemas aquáticos provocando impactos negativos, diretos e/ou indiretos, na qualidade da água e na biodiversidade dos ecossistemas.
Rodrigues, Virgínia da Conceição Ramos
core  

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