Results 41 to 50 of about 945 (176)

Physa in East Africa

open access: yesJournal of Conchology, 1971
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Between Droughts and Floods: The Seasonal Response of Freshwater Snails in Artificial Reservoirs in the Brazilian Semiarid Region

open access: yesPopulation Ecology, Volume 68, Issue 1, January 2026.
We investigate the seasonal dynamics of two freshwater snails, Biomphalaria straminea and Melanoides tuberculata, in artificial reservoirs of the Brazilian semiarid region. Despite regulated hydrology, B. straminea exhibited strong seasonal fluctuations associated with dry periods, while M. tuberculata maintained stable populations throughout the year,
Lucas Henrique Sousa da Silva   +6 more
wiley   +1 more source

Physa ampullacea Gould, Physa nuttallii Lea and Physa columbiana Hemphill

open access: yes, 1936
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Restoration of Riparian Vegetation Can Mitigate Impacts of Agricultural Land Use on Stream Ecosystems

open access: yesFreshwater Biology, Volume 71, Issue 1, January 2026.
ABSTRACT We evaluated whether riparian forest restoration could mitigate the impacts of agricultural land use on key stream ecosystem processes (total and microbial leaf litter decomposition and periphytic algal biomass accrual) and associated assemblages (invertebrates, aquatic hyphomycetes, and periphytic algae) in three streams located in northern ...
Diana Rojo   +7 more
wiley   +1 more source

Levantamento malacológico da Bacia Hidrográfica do Lago Soledade, Ouro Branco, (Minas Gerais, Brasil) Malacological survey at the Soledade Lake, in Ouro Branco (Minas Gerais, Brazil)

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 1994
Em estudo malacológico realizado na Bacia Hidrográfica do Lago Soledade, Ouro Branco, MG, no período de setembro de 1986 a março de 1991, foram coletados 46.579 moluscos, representados por 07 espécies de 05 famílias.
Roney Elias da Silva   +3 more
doaj   +1 more source

Таксономический состав и разнообразие бентосных беспозвоночных озера Арейского

open access: yesАмурский зоологический журнал, 2023
Сведения о зообентосе водоемов горных систем Забайкальского края, по которым проходит Главный водораздел Земли и граница между Палеарктической и Сино-Индийской зоогеографическими областями, единичны. В 2019–2020 гг.
Пётр Викторович Матафонов
doaj   +1 more source

Larvae of the water scavenger beetle, Hydrophilus acuminatus (Coleoptera: Hydrophilidae) are specialist predators of snails

open access: yesEuropean Journal of Entomology, 2015
Hydrophilus acuminatus larvae are known to feed on aquatic prey. However, there is no quantitative study of their feeding habits. In order to determine the feeding preferences and essential prey of larvae of H.
Toshio INODA   +2 more
doaj   +1 more source

Ecotoxicology of Mercerized Cellulose–Treated Tannery Effluents Using Salvinia auriculata (Salviniaceae) as a Bioindicator

open access: yesEnvironmental Toxicology, Volume 40, Issue 12, Page 1358-1374, December 2025.
ABSTRACT Given the growing concern over the environmental impacts of industrial effluents, particularly from tanneries, assessing the ecotoxicological risks associated with these effluents, even after remediation treatments, is crucial. Therefore, we aimed to evaluate the potential effects of exposure to raw and treated tannery effluents with ...
Alex Rodrigues Gomes   +9 more
wiley   +1 more source

Microstructural characterization of shell components in the mollusc Physa sp. [PDF]

open access: yesScanning, 2006
Shells of the freshwater, pulmonate snail Physa (Mollusca, Gasteropoda), ranging from 0.5 to 10 mm in length, were studied using scanning microscopy, x-ray analysis, and infrared spectroscopy. Results obtained suggest that the shell is composed of aragonite, which occurs in several distinct crystalline forms.
Silvia M, de Paula, Marina, Silveira
openaire   +2 more sources

First report of Chaetogaster limnaei (Annelida: Naididae) in Chile based on samples retrieved from an invasive freshwater snail

open access: yesRevista Mexicana de Biodiversidad, 2019
Some naidid oligochaetes establish commensal relationships with species of molluscs worldwide. In the present study, we report the finding of Chaetogaster limnaei in Illapel River, northern Chile.
Gonzalo A Collado   +4 more
doaj   +1 more source

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