Results 51 to 60 of about 2,355,714 (247)

Variation Among Species and Populations, and Carry-Over Effects of Winter Exposure on Mercury Accumulation in Small Petrels

Frontiers in Ecology and Evolution, 2022
Even in areas as remote as the Southern Ocean, marine organisms are exposed to contaminants that arrive through long-range atmospheric transport, such as mercury (Hg), a highly toxic metal.
Petra Quillfeldt, Yves Cherel, Joan Navarro, Richard A. Phillips, Juan F. Masello, Cristián G. Suazo, Karine Delord, Paco Bustamante, Paco Bustamante   +8 more
doaj   +1 more source

Dental Microwear Texture Analysis on Radular Teeth

Advanced Materials Interfaces, EarlyView.
3D microwear textures reveal how gastropod radular teeth respond to controlled abrasive contact. Distinct surface signatures distinguish regular abrasion from fracture‐dominated material removal, showing how mineralized coatings, fibrous cores, and substrate properties jointly shape wear and failure in a biological scraping interface.
Wencke Krings, Stanislav N. Gorb, Ellen Schulz‐Kornas   +2 more
wiley   +1 more source

A systematic review of fishing impacts on the trophic level of fish populations and assemblages in the Mediterranean Sea

Frontiers in Marine Science
Fishing activities alter food web diversity and functioning. Trophic level (TL) has been used as an indicator to assess such impacts on populations and assemblages.
Audrey Marguin, Audrey Marguin, Simona Bussotti, Simona Bussotti, Paolo Guidetti, Paolo Guidetti, Francesca Rossi, Francesca Rossi   +7 more
doaj   +1 more source

Factors affecting methylmercury biomagnification by a widespread aquatic invertebrate predator, the phantom midge larvae Chaoborus [PDF]

, 2012
MeHg biomagnification by the phantom midge Chaoborus in relation to MeHg concentrations in their prey and its migratory behavior was investigated in two Canadian Precambrian Shield lakes.
Aldamman, Lama, Pinel-Alloul, Bernadette, Le Jeune, Anne-Hélène, Amyot, Marc, Perron, Tania, Bourdiol, Floriane   +5 more
core   +1 more source

From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures

Advanced Robotics Research, EarlyView.
This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley   +1 more source

Different trophic positions among social vespid species revealed by stable isotopes

Royal Society Open Science, 2021
The social vespid wasps are common insect predators and several species behave in unison in the same biotopes. It is commonly accepted that social wasps are mainly opportunistic generalist predators without differences in prey selection and hence they ...
Jyrki Torniainen, Atte Komonen
doaj   +1 more source

Appendix C. Trophic position statistics.

, 2016
Trophic position ...
David M. Post (2906981), Annika W. Walters (798983)   +1 more
core   +1 more source

Disrupted TFEB/GDNF–cAMP/ATP Coupling Underlies Astrocytic Dysfunction and Depression in LRRK2 G2019S Parkinson's Mice

Advanced Science, EarlyView.
ABSTRACT The LRRK2 G2019S mutation, a Parkinson's disease–linked variant, has been associated with depression‐like phenotypes, but mechanisms remain unclear. We chart age‐dependent behavioral changes and astrocyte reactivity in G2019S mice and define a pathway connecting LRRK2 to TFEB/GDNF signaling, cellular energetics, and inflammation.
Longping Yao, Maryam Hatami, Sumeyye Koc, Qing Jiang, Thomas Skutella, Yuanfeng Zhang   +5 more
wiley   +1 more source

Stable Isotope Analyses in Aquatic Ecology (a review) [PDF]

Журнал Сибирского федерального университета: Серия Биология, 2009
Theory and practice of analyses of stable isotopes of carbon and nitrogen for food trophic studies in aquatic ecology are regarded basing on literature, published primarily in the last decade.
Michail I. Gladyshev
doaj  

Assessing the Fishing Impact on the Marine Ecosystem of Guishan Island in the Northeastern Waters of Taiwan Using Ecopath and Ecosim

Journal of Marine Science and Engineering, 2023
The northeastern waters of Guishan Island constitute one of the crucial fishing grounds for coastal trawl fishery in Taiwan and have been exploited for many decades.
Chien-Pang Chin, Kuan-Yu Su, Kwang-Ming Liu   +2 more
doaj   +1 more source