Results 21 to 30 of about 34,213 (312)

Investigating shellfish deposition and landscape history at the Natia Beach site, Fiji [PDF]

open access: yes, 2008
The relationship between environmental variation and subsistence practices is a central point of discussion in much Oceanic archaeology. While human predation can significantly reduce prey populations, environmental variation also contributes to ...
Cochrane, E.E., Morrison, A.
core   +1 more source

Ancient origins of arthropod moulting pathway components

open access: yeseLife, 2019
Ecdysis (moulting) is the defining character of Ecdysoza (arthropods, nematodes and related phyla). Despite superficial similarities, the signalling cascade underlying moulting differs between Panarthropoda and the remaining ecdysozoans.
André Luiz de Oliveira   +2 more
doaj   +1 more source

Mollusk Thanatocoenoses Unravel the Diversity of Heterogeneous Rhodolith Beds (Italy, Tyrrhenian Sea)

open access: yesDiversity, 2023
Emerging evidence of rhodolith bed complexity and heterogeneity poses a challenge to monitoring strategies and questions about the role of abiotic factors in controlling the observed morphostructural diversity.
Valentina Alice Bracchi   +3 more
doaj   +1 more source

Choosing Your Ground on the Endangered Species Act: How Do the Ninth, Tenth, and District of Columbia Circuit Courts of Appeal Evaluate Water Management Decisions Made by Federal Water Agencies? [PDF]

open access: yes, 2017
The purpose of this article is twofold. First, federal agencies are responsible for the development and implementation of ESA documents, and knowing what a court will look for and at when that document is challenged can help the agencies to develop a ...
Kinsey, Michael
core   +2 more sources

Does habitat stability structure intraspecific genetic diversity? It’s complicated... [PDF]

open access: yes, 2020
Regional phylogeographic studies have long been conducted in the southeastern United States for a variety of species. With some exceptions, many of these studies focus on single species or single clades of organisms, and those considering multiple ...
Boot, Matthew R.   +15 more
core   +1 more source

Early to Middle Holocene Estuarine Shellfish Collecting on the Islands and Mainland Coast of the Santa Barbara Channel, California, USA

open access: yesOpen Quaternary, 2020
Terminal Pleistocene to Middle Holocene sea level rise resulted in a number of changes to coastal ecosystems around the world, providing new challenges and opportunities for coastal peoples.
Torben C. Rick
doaj   +1 more source

Survival and behavior of Chinese mystery snails (Bellamya chinensis) in response to simulated water body drawdowns and extended air exposure [PDF]

open access: yesManagement of Biological Invasions, 2013
Nonnative invasive mollusks degrade aquatic ecosystems and induce economic losses worldwide. Extended air exposure through water bodydrawdown is one management action used for control.
Kody M. Unstad   +7 more
doaj   +1 more source

Invading the Occupied Niche: How a Parasitic Copepod of Introduced Oysters Can Expel a Congener From Native Mussels

open access: yesFrontiers in Marine Science, 2022
In species introductions, non-native species are often confronted with new niches occupied by more specialized natives, and for introduced parasites this conflict can be amplified because they also face novel hosts.
Marieke E. Feis   +6 more
doaj   +1 more source

Radiocarbon reservoir ages and hardwater effect for the northeastern coastal waters of Argentina. [PDF]

open access: yes, 2008
Accelerator mass spectrometry (AMS) radiocarbon dates were obtained for 18 mollusk shells collected alive along the Buenos Aires province coast, Argentina, over the period AD 1914–1935.
Aguirre, Marina Laura   +3 more
core   +2 more sources

Aquaculture production and its environmental sustainability in Thailand : challenges and potential solutions [PDF]

open access: yes, 2020
Though aquaculture plays an important role in providing foods and healthy diets, there are concerns regarding the environmental sustainability of prevailing practices.
Goethals, Peter   +5 more
core   +1 more source

Home - About - Disclaimer - Privacy