Results 61 to 70 of about 89,128 (309)
Molecular cytogenetic differentiation of paralogs of Hox paralogs in duplicated and re-diploidized genome of the North American paddlefish (Polyodon spathula). [PDF]
, 2017 BackgroundAcipenseriformes is a basal lineage of ray-finned fishes and comprise 27 extant species of sturgeons and paddlefishes. They are characterized by several specific genomic features as broad ploidy variation, high chromosome numbers, presence of ...
Amemiya, Chris T +7 more
core +4 more sources
River Research and Applications, EarlyView.ABSTRACT The upstream migration of juvenile American eels (Anguilla rostrata) is frequently obstructed by dams and other in‐stream barriers, leading to habitat loss and fragmentation, factors that are believed to contribute to the species' population decline.
Felix Eissenhauer +4 more
wiley +1 more source
Archives of Polish Fisheries, 2014 Vendace, Coregonus albula L., was reared to commercial size in a recirculating system. Three different feed rations were applied during the ten-month-long experiment.
Szczepkowska Bożena +2 more
doaj +1 more source
Sustainable Development, EarlyView.ABSTRACT Djibouti's economic evolution over the past two decades reveals a distinct dual structure: a steadily expanding service sector that anchors the economy and a volatile industrial sector driven by episodic, foreign‐financed infrastructure projects.
Sadik Aden Dirir
wiley +1 more source
An investigation on the micropyle number in the ova of the strugeon species in Caspian Sea [PDF]
, 1999 The micropyle number in the ova of sturgeon species from the South Caspian Sea was investigated. The study was conducted on female broodfishes of three species of sturgeon (Persian sturgeon Acipenser persicus, Stetates sturgeon A.
Amini, K. +3 more
core
Economic Anthropology, EarlyView.ABSTRACT Since the early years of the 21st century, the city of Ruili has grown to be a major trade hub for Burmese jadeite on the China–Myanmar border. Starting from 2016 to 2017, Ruili's jadeite trade shifted heavily to online live streaming transactions through media platforms like Douyin, RedNote/Xiaohongshu, and Taobao/Tmall.
Yi Ma
wiley +1 more source
The effects of endosulfan on P450 1A gene expression, antioxidant enzymes activity and histopathological alterations in liver of Persian sturgeon (Acipenser persicus Borodin, 1987) [PDF]
, 2016 The effects of 14 days exposure to sublethal concentrations of endosulfan (10 and 40 μg L−1) were investigated in mRNA- P450 1A expression, antioxidant enzymes (SOD and CAT) activity and histopathological alterations of Persian sturgeon (Acipenser ...
Khalili, M. +3 more
core +1 more source
Management applications of genetic structure of anadromous sturgeon populations in the Lower Danube River (LDR), Romania [PDF]
Scientific Annals of the Danube Delta Institute, 2013 During the last decades, the over-exploitation of sturgeon stocks for caviar production simultaneously with severe habitat deteriorations has led to drastic declines in the natural populations of the Danube River. As a result of (i) decrease of sturgeon
ONĂRĂ Dalia Florentina +2 more
doaj +1 more source
Launch support: Managing complementor bottlenecks in the disruptive innovation of small satellites
Strategic Management Journal, EarlyView.Abstract Research Summary Through both qualitative and quantitative analyses of large‐rocket providers' support for small‐satellite manufacturers before the emergence of small rockets, we examine how disruptors to an incumbent ecosystem gain support from complementors of the incumbent technology.
Yue Song, Yue Maggie Zhou, Xiaoping Zhao
wiley +1 more source
Strategic Management Journal, EarlyView.Abstract Research Summary We examine how an incumbent firm navigates internal and external uncertainties when entering a nascent platform ecosystem. Drawing on a longitudinal study of a large telecommunication firm's transition into an evolving IoT ecosystem, we advance a cognitive perspective on platform strategy.
Fathiro H. R. Putra +3 more
wiley +1 more source