Results 21 to 30 of about 43,924 (247)

Ecological Opportunity In Adaptive Radiation Of Galapagos Endemic Land Snails [PDF]

open access: yes, 2009
The classic evolutionary hypothesis of ecological opportunity proposes that both heterogeneity of resources and freedom from enemies promote phenotypic divergence as a response to increased niche availability.
Crespi, Bernard J., Parent, Christine E.
core   +1 more source

COMPOSITION OF FAUNA AND DISTRIBUTION OF LAND SNAILS IN INTRAMONTANE DAGESTAN

open access: yesЮг России: экология, развитие, 2016
Aim. Taxonomy of Caucasian land snails has been studied well enough, but at the same time, the question remains concerning the distribution of some species of snails on the main areas of the Caucasus, especially its eastern part.
L. J. Harutyunova, M. Z. Magomedova
doaj   +1 more source

Histopathological effects of methomyl and crude extracts of Jatropha curcas against the terrestrial snail, Monacha obstructa (Gastropoda:Hygromiidae)

open access: yesChemical and Biological Technologies in Agriculture, 2022
Background The negative effect of over-reliance on the use of synthetic pesticides have led to the search for natural alternatives to pest control. This study was designed to evaluate the toxicity effect of the crude plant extracts of Jatropha (Jatropha ...
Hesham Ahmed Metwaly Ibrahim   +3 more
doaj   +1 more source

Land Snails of the Madeira Islands [PDF]

open access: yesNature, 1922
IN 1892 (Journal of Conchology, vol. vii. No. 1) the Rev. R. Boog Watson published a very interesting discussion of the Madeira snails, in which he raised many questions concerning their origin and history, which he did not attempt to answer. Today, we are still groping for light, but I believe we may reach a number of conclusions which are not likely ...
openaire   +1 more source

Sexual dimorphism in shell size of the land snail Leptopoma perlucidum (Caenogastropoda: Cyclophoridae) [PDF]

open access: yesPeerJ, 2022
Sexual dimorphism in the shell size and shape of land snails has been less explored compared to that of other marine and freshwater snail taxa. This study examined the differences in shell size and shape across both sexes of Leptopoma perlucidum land ...
Chee-Chean Phung   +2 more
doaj   +2 more sources

Field prevalence and laboratory susceptibility of southern Australian land snails to Brachylaima cribbi sporocyst infection

open access: yesParasite, 2003
Brachylaima cribbi is a terrestrial trematode of birds and mammals with helic id and hygromild land snails reported as first and second Intermediate hosts. However, reports describing the first Intermediate host range of B.
Butcher A.R., Grove D.I.
doaj   +1 more source

Climatic significance of modern minute land snail shells δ13C and δ18O on the Chinese Loess Plateau

open access: yesEcological Indicators, 2022
Land snails are abundant and well preserved in loess-paleosol sequences on the Chinese Loess Plateau (CLP) and are often regarded as valuable climatic indicators in paleoclimate reconstruction.
Xiulan Zong   +8 more
doaj   +1 more source

Aquatic polymers can drive pathogen transmission in coastal ecosystems. [PDF]

open access: yes, 2014
Gelatinous polymers including extracellular polymeric substances (EPSs) are fundamental to biophysical processes in aquatic habitats, including mediating aggregation processes and functioning as the matrix of biofilms.
Conrad, Patricia A   +6 more
core   +1 more source

Mollusk Loves: Becoming With Native and Introduced Land Snails in the Hawaiian Islands

open access: yesIsland Studies Journal, 2022
Hawaiian island land snails once represented one of the most diverse archipelagic evolutionary radiations. Historically, indigenous Hawaiians (Kānaka maoli) and Westerners also heard some snails (kāhuli) sing.
Jonathan Galka
doaj   +1 more source

Land Snail Assemblages of Olive Orchards in Crete, Greece

open access: yesDiversity, 2022
Land snail biodiversity research in agroecosystems is limited, if non-existent. Here we investigate the land snail assemblages of olive orchards in Messara plain, Crete, Greece. Land snails were collected from 16 olive orchards. In addition, we performed
Elisavet Georgopoulou   +2 more
doaj   +1 more source

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