Results 21 to 30 of about 503 (63)

Abundancia y biodiversidad de los macroinvertebrados del río Oja (La Rioja, España) [PDF]

open access: yes, 2006
En mayo de 2003 se realizó un estudio sobre la fauna de invertebrados del río Oja (La Rioja, España), seleccionándose cinco puntos a lo largo de su cauce.
Arauzo, Mercedes   +3 more
core  

Morphology and ultrastructure of the midgut in Piscicola geometra (Annelida, Hirudinea) [PDF]

open access: yes, 2012
This paper presents information on the organization of the midgut and its epithelium ultrastructure in juvenile and adult specimens of Piscicola geometra (Annelida, Hirudinea), a species which is a widespread ectoparasite found on the body and gills and ...
Bielecki, A.   +4 more
core   +1 more source

Especie nueva de sanquijuela del género Semiscolex (Arhynchobdellida: Semiscolecidae) del lago de Catemaco, Veracruz, México [PDF]

open access: yes, 2006
SE DESCRIBE SEMISCOLEX LAMOTHEI SP. NOV. DEL LAGO DE CATEMACO, VERACRUZ, MÉXICO CON BASE EN 18 EJEMPLARES. SE DIFERENCIA DEL RESTO DE LAS ESPECIES DEL GÉNERO POR PRESENTAR 1/2 + 5 + 1/2 ANILLOS ENTRE LOS GONOPOROS.
ALEJANDRO OCEGUERA FIGUEROA
core   +2 more sources

The bottom fauna of the ephemeral and permanent waters of the Pešter plateau [PDF]

open access: yes, 2023
Пештерска висораван је изузетно важан регион у Србији, који се истиче као једно од последњих великих и још увек очуваних брдско-планинских крашких поља. Његова најистакнутија особина је присуство ефемерних и сталних вода.
Нумановић, Мелиса
core   +3 more sources

Mobile Tower Exposure affects on memory and Motor Co-ordination on Mice [PDF]

open access: yes, 2014
Mobile is now become as an integral part of our daily life and mobile users have been increasing day by day globally. In India, mobile base stations and their installation are irregular and unregulated.
Maurya, Sanjeev Kumar   +1 more
core   +3 more sources

Registros de sanguijuelas de Costa Rica y clave para la identificación de las especies con redescripción de Cylicobdella costaricae [PDF]

open access: yes, 2015
En contraste con los enormes esfuerzos realizados por caracterizar la fauna y flora de Costa Rica, con excepción de algunos registros aislados, muy poco se sabe sobre las sanguijuelas (Annelida: Clitellata) en este país.
Alejandro Francisco Oceguera-Figueroa
core   +2 more sources

Phylogenetic position of gastrostomobdellid leeches (Hirudinida, Arhynchobdellida, Erpobdelliformes) and a new family for the genus Orobdella [PDF]

open access: yes, 2011
The leech family Gastrostomobdellidae is characterized by its possession of an agnathous and euthylaematous pharynx, a ventral gastropore and a gastroporal duct. In this study, the phylogenetic position of two gastrostomobdellid genera, Gastrostomobdella
Hikida, Tsutomu   +2 more
core   +1 more source

Effects of paddy management (conventional vs. organic) on community diversity of aquatic macroinvertebrates and provisioning of biological pest control [PDF]

open access: yes, 2022
There is a global trend of biodiversity loss that is threatening more than a million species. Scientists, politicians and society are increasingly aware of the worrying data and the negative consequences that this loss can cause in the provision of ...
Llevat Pamies, Raul
core  

Impacts of Drainage Basin Characteristics on Aquatic Macroinvertebrate Communities in the Upper Passaic River [PDF]

open access: yes, 2018
Increase in development throughout the Northern Piedmont region of New Jersey since the 1970’s has greatly degraded much of the natural environment throughout the state.
Levinson, Michael J.
core   +1 more source

Citizen science reveals the present range and a potential native predator of the invasive slug Limax maximus Linnaeus, 1758 in Hokkaido, Japan [PDF]

open access: yes, 2017
The giant garden slug Limax maximus Linnaeus, 1758 (Limacidae, Pulmonata) is considered one of the most widely spread terrestrial molluscs in the world and is a formidable pest of agricultural and horticultural crops. This slug was recently introduced to
Morii, Yuta, Nakano, Takafumi
core   +1 more source

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