Results 71 to 80 of about 563,406 (341)
Do contaminants originating from state-of-the-art treated wastewater impact the ecological quality of surface waters? [PDF]
, 2013 Since the 1980s, advances in wastewater treatment technology have led to considerably improved surface water quality in the urban areas of many high income countries.
A Borja +53 more
core +9 more sources
Head morphology and diet of whiptail catfishes (Loricariidae: Loricariinae) [PDF]
Neotropical IchthyologyAdaptations in the head structures of fishes can influence food item selection and consumption in aquatic ecosystems. In this study, we tested the relationship between the morphology of the bony structure of the head (suspensorium, mandibular, hyoid, and
Guilherme H. Silva +2 more
doaj +1 more source
Knowledge and Management of Aquatic Ecosystems, 2020 Hot springs are characterised by water temperatures above 36.7 °C. Temperature decreases with distance in flow away from spring vents; this natural gradient provides a unique opportunity to investigate the influence of water temperature on aquatic biota.
Negus Peter M. +4 more
doaj +1 more source
Environmental Science: Processes & Impacts, 2019 Major point sources of per- and polyfluoroalkyl substances (PFASs) cause ubiquitous spread of PFASs in the environment. In this study, surface water and aquatic invertebrates at three Swedish sites impacted by PFAS point sources were characterized, using
A. Koch +5 more
semanticscholar +1 more source
The Anatomical Record, EarlyView.Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano +3 more
wiley +1 more source
Drivers of copper sensitivity in copepods: A meta-analysis of LC50s
Ecotoxicology and Environmental Safety, 2022 Copper is both an essential trace element and a potent pesticide. The use of copper as an antifoulant has increased in the last decades in line with the expanding aquaculture and shipping industries.
Jan Heuschele +5 more
doaj +1 more source
The Anatomical Record, EarlyView.Abstract Teleocichla comprises small cichlids that inhabit the rapid streams of Amazonian rivers; however, there has been limited research on their encephalon morphology. This study examined the neuroanatomy of four species, focusing on volumetric measurements of their encephalon subregions, and providing a histological description of the encephalon of
Renan Leão‐Reis +4 more
wiley +1 more source
The importance of periodic droughts for maintaining diversity in the freshwater environment [PDF]
, 1996 Whereas some species may rely on periodic drought conditions for part of their life histories, or have life strategies suited to exploiting the habitat or changed environmental conditions that are created by drought, for other organisms it is a time of ...
Everard, Mark
core
Probable Displacement of Riffle-Dwelling Invertebrates by the Introduced Rusty Crayfish, \u3ci\u3eOrconectes Rusticus\u3c/i\u3e (Decapoda: Cambaridae) in a North-Central Wisconsin Stream [PDF]
, 2018 The rapid northward range expansion of the rusty crayfish, Orconectes rusticus, and its negative effects on Wisconsin lakes have been the subjects of intense study throughout the last fifteen years.
Dimick, Jeffrey J +2 more
core +2 more sources
Patterns of spinal motion, kinematic spaces and the land‐to‐sea transition in carnivorans
The Anatomical Record, EarlyView.Using 3D reconstructions, we quantify intervertebral joint mobility to investigate how cervical, thoracic, and lumbar vertebral regions evolved distinct kinematic roles in pinnipeds. The findings reveal lineage‐specific adaptations for swimming and highlight the functional significance of vertebral joint flexibility in ecological transitions.
Juan Miguel Esteban +3 more
wiley +1 more source