Results 91 to 100 of about 39,892 (308)

Level of mercury in tuna (Thunnini) and shark (Selachimorpha) in Costa Rica

open access: yesCuadernos de investigación UNED, 2017
Tuna and shark are the main fish in which analysis of mercury content are made in Costa Rica. The main destinations are domestic consumption, import and export, in that order.
Javier E Rodriguez
doaj   +1 more source

Growth and maximum size of tiger sharks (Galeocerdo cuvier) in Hawaii

open access: yes, 2014
The authors acknowledge the National Oceanic and Atmospheric Administration (National Marine Sanctuaries Program), University of Hawaii Sea Grant and the State of Hawaii (Department of Land and Natural Resources) for providing funding to support a ...
O'Malley, Joseph M.   +34 more
core   +1 more source

Nanoplastics: Methods, Exposure and Effects on Domestic, Farm and Wild Animals

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Nanoplastics (NPs) are synthetic polymer particles ranging in size from 1 nm to 1 μm that have been identified as a major concern for ecosystems and organisms due to their plethora of negative effects. The aim of this review is to provide a comprehensive overview of the knowledge relating to exposure and effects of NPs in domestic (i.e., farm ...
B. De Felice   +8 more
wiley   +1 more source

Aquaporin 4 is a ubiquitously expressed isoform in the dogfish (Squalus acanthias) shark [PDF]

open access: yes, 2012
Christopher P.Cutler is in receipt of a grant from the National Science Foundation, NSFIOS0844818.The dogfish ortholog of aquaporin 4 (AQP4) was amplified from cDNA using degenerate PCR followed by cloning and sequencing.
MacIver, Bryce   +15 more
core   +1 more source

Finding Plankton: A Marine Science Scavenger Hunt for Local Communities

open access: yesLimnology and Oceanography Bulletin, EarlyView.
Abstract At a time of increasing political polarization and rapidly accelerating climate change, it is important to build public knowledge and empathy toward nature to foster behavioral changes; however, addressing a knowledge deficit can be insufficient to affect these changes.
Hannah M. Budroe, Holly M. Bik
wiley   +1 more source

Global hotspots of shark interactions with industrial longline fisheries

open access: yes, 2022
This repository contains code used in the paper: Burns, E.S., Bradley, D., Thomas, L.R. (in prep). Global hotspots of shark interactions with industrial longline fisheries. All code is written in R.
Bradley, Darcy   +2 more
core   +1 more source

Differentiation of Plant and Animal‐Derived Cholesterol Using irm‐13C NMR and IRMS

open access: yesMagnetic Resonance in Chemistry, EarlyView.
Determining and certifying the origin of ingredients, starting materials, and excipients used in manufactured goods like cosmetics and medicines can be difficult. In this report, we describe a robust approach for identifying the origin of cholesterol, a component of myriad consumer products using irm‐13C NMR and IRMS to differentiate plant versus ...
Anika M. Singh   +3 more
wiley   +1 more source

Shark and ray teeth from the Hauterivian (Lower Cretaceous) of north-east England [PDF]

open access: yes, 1999
Sampling of hiatal horizons within the Hauterivian part of the Speeton Clay Formation of north-east England has produced teeth of several species of sharks and rays, four of which are previously unnamed.
Veltkamp, K.J.   +2 more
core  

A pelagic thresher shark (Alopias pelagicus) gives birth at a cleaning station in the Philippines [PDF]

open access: yes, 2015
The final publication is available at Springer via http://dx.doi.org/10.1007/s00338-014-1249-8This article discusses photographic evidence captured on April 4, 2013, as the first record of a thresher shark giving ...
Oliver, Simon P.   +1 more
core   +1 more source

Drivers of change in human–wildlife relationships: Southern Africa as an example

open access: yesPeople and Nature, EarlyView.
Abstract Human–wildlife relationships (HWRs) are changing globally in response to shifts in ecological dynamics and societal values, often resulting in contestation. With an increasing need to enable human–wildlife coexistence, it is essential to better understand the drivers of change in HWRs.
Dian Spear
wiley   +1 more source

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