Results 111 to 120 of about 733,446 (305)

Does salinity make a difference—Kidney anatomy of Saimaa (Pusa saimensis) and Baltic ringed seals (Pusa hispida botnica)

The Anatomical Record, EarlyView.
Abstract As habitat salinity markedly differs between the endangered, freshwater‐dwelling Saimaa ringed seal (Pusa saimensis Nordquist, 1899) and the brackish water‐inhabiting Baltic ringed seal (Pusa hispida botnica Gmelin, 1788), we investigated whether this difference has resulted in morphological changes to their kidneys.
Heini Nihtilä, Juha Laakkonen
wiley   +1 more source

PIgR and Ig responses in largemouth bass (Micropterus salmoides) following intraperitoneal injection and bath immunization with inactivated Aeromonas hydrophila

Aquaculture Reports
The immunoglobulins (Ig) and polymeric immunoglobulin receptor (pIgR) are crucial in protecting organisms against pathogen invasion. However, further clarification regarding their mucosal immune responses is required, particularly when considering ...
Guojing Xu, Jinlu Zhang, Zhuang Li, Chao Wang, Junxia Gong, Zhizhong Wang, Qinglei Meng, Yongan Zhu   +7 more
doaj   +1 more source

The cranial, mandibular, and hyoid anatomy of softshell turtles (Trionychidae): A revised character list for phylogenetic analysis

The Anatomical Record, EarlyView.
Abstract Softshell turtles (Pan‐Trionychidae) are an early branching clade of hidden‐necked turtles (Cryptodira) with a rich fossil record extending back to the Early Cretaceous. The evolutionary history of softshell turtles is still unresolved because of their conservative morphology combined with high levels of polymorphism related to morphological ...
Léa C. Girard, Walter G. Joyce
wiley   +1 more source

Research on the Application of Green Ecological Additive Combinations During the Breeding Period of Redclaw Crayfish

Aquaculture, Fish and Fisheries
The three key processes in the breeding of redclaw crayfish are nutrient enhancement by parents, catching and hatching of egg‐holding crayfish and maintaining a feed supply for juveniles.
Cheng Shun, Chi Mei‐Li, Jiang Wen‐Ping, Zheng Jian‐Bo, Liu Shi‐Li, Zhu Chao, Hang Xiao‐Ying, Peng Miao, Li Fei   +8 more
doaj   +1 more source

Economic Impact of Hospital Closure on Rural Communities in Three Southern States: Georgia, Tennessee, and Texas. A Quasi-Experimental Approach. [PDF]

The important contribution of hospitals to the economies of rural areas has been the subject of several research studies. The results, however, have been contradictory.
Freshwater, David, Hudoyo, Agus, Ona, Lucia Y.   +2 more
core   +1 more source

Freshwater Macroinvertebrates [PDF]

, 2003
The purpose of this resource is to sample, identify, and count macroinvertebrates at a Hydrology Site. Students collect, sort, identify, and count macroinvertebrates from habitats at their site.
The GLOBE Program, UCAR (University Corporation for Atmospheric Research)
core  

FreshWater Watch: Investigating the Health of Freshwater Ecosystems, from the Bottom Up

Citizen Science: Theory and Practice
Freshwater ecosystems are increasingly facing major global and local stressors, while monitoring surface water status by regulatory agencies is often limited by financial and political constraints. Citizen science–based approaches with robust quality control and training can support regulatory monitoring and decision-making.
Bishop, Isabel, Boldrini, Amedeo, Clymans, Wim, Hall, Charlotte, Moorhouse, Heather, Parkinson, Stephen, Scott-Somme, Kesella, Thornhill, Ian; id_orcid 0000-0003-3818-1380, Loiselle, Steven   +8 more
openaire   +3 more sources

Cranial anatomy of a Late Cretaceous aspidorhynchid fish (Neopterygii: Aspidorhynchiformes) from Alberta, Canada

The Anatomical Record, EarlyView.
Abstract Belonostomus longirostrisis was named for an isolated jaw fragment from freshwater Upper Cretaceous (Campanian) sediments of the Dinosaur Park Formation of Alberta, Canada. Following the description of the Albertan species, numerous isolated cranial and postcranial elements have been collected from the Dinosaur Park Formation and assigned to B.
Mondo Miyazato, Luke E. Nelson, Joshua A. Doyon, Donald B. Brinkman, Alison M. Murray   +4 more
wiley   +1 more source

A chromosome-level genome assembly of Hemibarbus maculatus

Scientific Data
Hemibarbus maculatus, a keystone cyprinid species widely distributed across Asian freshwater ecosystems, holds dual significance as an economically valuable food fish and an ecological regulator. In this study we present its first chromosome-level genome
Qingping Lian, Pengcheng Sheng, Aihuan Guo, Huan Chen, Zou Meng, Rui Wu, JiaJia Xia, Guangmei Chen, Julin Yuan   +8 more
doaj   +1 more source

A new species of Lonchidiidae (Hybodontiformes) from the Late Jurassic of Brazil (Aliança Formation, Jatobá Basin)

The Anatomical Record, EarlyView.
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro, Marco Aurélio Gallo de França   +1 more
wiley   +1 more source