Results 141 to 150 of about 76,135 (275)

Oxidative stress and bivalves: a proteomic approach

open access: yesInvertebrate Survival Journal, 2008
Bivalves are of major importance in aquatic ecology, aquaculture, are widely used as sentinel species in environmental toxicology and show remarkable plasticity to molecular oxygen.
D Sheehan, B McDonagh
doaj  

Ecological studies of the aquatic soil invertebrates in three inundation forests of Central Amazonia

open access: yes, 1975
From January 1971 till August 1972 ecological studies were carried out on the aquatic macroinvertebrates of the benthos community of three Central-Amazonian inundation forests.
Irmler, U.
core  

Bivalve: Humanitarian project

open access: yes, 2014
Sometimes our community or ourselves, we have some problems that can be really different or important. Actually, these problems usually can be hard for some families and people: banks expropriating houses, people without job and money, precarious employments… so, many examples could be more or less shocking.
openaire   +2 more sources

First occurrences of Trionychidae (Testudines, Cryptodira) from the Miocene of Poland: Detailed cranial anatomy and biogeographic implications

open access: yesJournal of Anatomy, EarlyView.
Fossil finds from three Middle Miocene sites in Poland reveal the northernmost known presence of trionychid turtles in Europe, tentatively identified as Trionyx cf. vindobonensis, suggesting a warmer climate that supported thermophilic species in Central Europe during this period. Abstract Modern trionychids (Testudines, Cryptodira) have a pan‐tropical
Yohan Pochat‐Cottilloux   +5 more
wiley   +1 more source

Molecular characterization of two glutathione peroxidase genes in Mytilus galloprovincialis and their transcriptional responses to sub-chronic arsenate and cadmium exposure

open access: yesInvertebrate Survival Journal, 2014
Glutathione peroxidases (GPxs) are key enzymes in the antioxidant defense system of living organisms, and protect organisms against oxidative stresses.
Q Wang   +6 more
doaj  

Field trip guide to Oligocene Limestones and Caves in the Waitomo District [PDF]

open access: yes, 2013
The field guide runs from Hamilton to Waitomo to Te Anga and return in limestone-dominated country developed in transgressive sedimentary deposits of the Oligocene Te Kuiti Group – a world class example of a temperate shelf carbonate depositional system.
Hendy, Chris H., Nelson, Campbell S.
core   +1 more source

The geology of strata exposed in Roade railway cutting, Northamptonshire : engineering phase Priority 3 sections and overall assessment [PDF]

open access: yes, 2010
This report describes the geology of the bedrock strata at the Roade railway cutting (a Site of Special Scientific Interest), near Northampton, exposed by engineering works between 2006 and 2010 and made available to the BGS for detailed examination ...
Barron, A.J.M., Woods, M.A.
core  

The effect of early diagenetic processes on the quantification of fossil micrometeorite abundance and flux in the geological record

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract Fossil micrometeorites (MMs) recovered from lithified sedimentary rocks, particularly iron‐rich (I‐type) cosmic spherules (CSs) provide valuable insights into past dust‐forming events. Their abundances, when combined with estimates of local sedimentation rates can be used to reconstruct the flux of extraterrestrial dust.
Isabelle S. Mattia   +2 more
wiley   +1 more source

Confirmation of the impact origin of the Late Ordovician Tvären impact structure (southeast Sweden) and emplacement of impactites in a marine setting

open access: yesMeteoritics &Planetary Science, EarlyView.
Abstract The Tvären structure in southeastern Sweden has been listed as a confirmed marine‐target impact structure for decades. However, to date, no measurements and/or indexed data of planar deformation features in quartz grains from the structure have been published or any other unequivocal evidence of impact.
Katarzyna J. Gajewska   +6 more
wiley   +1 more source

Interspecific facilitation, elevation, and site influence survival and growth for intertidal Ostrea angasi restoration

open access: yesRestoration Ecology, EarlyView.
Abstract Introduction The flat oyster Ostrea angasi previously formed extensive reefs throughout temperate regions of Australia. These reefs were overharvested and destroyed after European colonization and have been functionally extinct for >150 years. While large‐scale subtidal O.
Kathy Overton   +5 more
wiley   +1 more source

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