Results 51 to 60 of about 167,455 (310)

Partners or passengers? Revisiting the association between diatoms and aquatic animals

open access: yesBiological Reviews, EarlyView.
ABSTRACT Numerous studies have revealed the importance of research on the communities capable of colonizing animal surfaces (epibionts) and the animals on which they live (basibionts). Very few studies have considered epizoic diatoms, and there are gaps and biases in our knowledge, including the choice of basibionts, the methods used, and the habitats ...
Gianluca Vacca   +2 more
wiley   +1 more source

Evidence for adaptive explanations of semelparity in animals

open access: yesBiological Reviews, EarlyView.
ABSTRACT Semelparity, the reproductive strategy of reproducing once, is widespread but uncommon in animals. Classes of models to explain the evolution of semelparity are based either on age structure and mortality schedules – demographic models in which high post‐reproductive mortality risk favours high reproductive effort and semelparity results from ...
Diana O. Fisher   +1 more
wiley   +1 more source

Mercury biomagnification in an Antarctic food web of the Antarctic Peninsula

open access: yesEnvironmental Pollution, 2022
Under the climate change context, warming Southern Ocean waters may allow mercury (Hg) to become more bioavailable to the Antarctic marine food web (i.e., ice-stored Hg release and higher methylation rates by microorganisms), whose biomagnification processes are poorly documented.
Ricardo S. Matias   +10 more
openaire   +5 more sources

Post With Care: How Language Use Influences the Effectiveness of CEOs' Climate‐Related Messages on Social Media

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Chief executive officers (CEOs) play a pivotal role in shaping public discourse on climate change through social media, yet how their language use affects the effectiveness of climate‐related posts remains unclear. Drawing on schema‐congruity theory and leader role expectations, we conceptualize certainty in language as congruent and anxiety ...
Ellen Weber   +4 more
wiley   +1 more source

A new bathymetric compilation for the South Orkney Islands region, Antarctic Peninsula (49°–39°W to 64°–59°S): Insights into the glacial development of the continental shelf

open access: yesGeochemistry, Geophysics, Geosystems, 2014
We present a new, high resolution (300 m) bathymetric grid of the continental shelf surrounding the South Orkney Islands, northeast of the Antarctic Peninsula.
William A. Dickens   +8 more
doaj   +1 more source

Experimental methods in chemical engineering: The scientific method versus engineering design methodology

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Engineering graduate students confuse the scientific method and problem solving when presenting their pre‐doctoral exams and theses: Science discourse adopts question and hypotheses to assert and establish a study's rationale, while it is problem and objectives in engineering design.
Gregory S. Patience   +4 more
wiley   +1 more source

New Antarctic stenothoids sensu lato (Amphipoda, Crustacea) [PDF]

open access: yes, 2011
Three stenothoid species are reported from recent Antarctic collections. Two of these are new to science (Prometopa cedrici sp. nov. and Antatelson claudei sp. nov.). A few character states of Antatelson walkeri are discussed.
Traudl Krapp   +2 more
core   +1 more source

Disentangling the interactive effects of anthropogenic disturbances on biodiversity

open access: yesEcography, EarlyView.
Anthropogenic activity threatens biodiversity through climate change, habitat fragmentation, and increasing frequency and scale of disturbance. Various theoretical studies have sought to shed light on how these factors could promote or hinder the coexistence of species. However, our understanding of the relative importance of, and interactions between,
Isaac Planas‐Sitjà   +2 more
wiley   +1 more source

On the origin of Antarctic marine benthic community structure [PDF]

open access: yes, 2005
Environmental conditions fostering marine communities around Antarctica differ fundamentally from those in the rest of the world's oceans, particularly in terms of pronounced climatic fluctuations and extreme cold.
Thatje, S.   +5 more
core   +1 more source

Potential of Seaweed to Improve the Quality and Shelf Life of Fish and Fishery Products

open access: yesFood Safety and Health, EarlyView.
Growing global demand for safe fish preservation has increased interest in natural alternatives. Seaweed‐derived bioactive compounds possess antioxidant and antimicrobial properties that enhance fish quality, safety, and shelf life. These sustainable preservatives may reduce spoilage and synthetic preservative use, though further research ...
Ashika Banu Rodela   +5 more
wiley   +1 more source

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