Results 91 to 100 of about 3,771 (234)

An Overview of the Factors Affecting the Migration of Sturgeons in Yesilirmak

open access: yes, 2018
The Yesilirmak is one of the rivers in Turkey where sturgeons migrate for spawning. It originates in the Kosedag Mountains in Sivas and flows into the Black Sea at the plain of Carsamba.
Memis, Devrim, USTAOĞLU TIRIL, SERAP
core   +1 more source

Gut peculiarities of feed deprived white sturgeons (Acipenser transmontanus, Richardson 1836) [PDF]

open access: yes, 2012
In the White sturgeon fish farms, some individuals have difficulty in getting access to food: such sturgeons are called “runts”, and they result in a slower growth rate than normally feeding fish. In this paper, we have studied the gut pecu- liarities of
A. Di Giancamillo   +3 more
core   +1 more source

Isolation and Identification of Erysipelothrix sp. in Hybrid Grouper (Epinephelus fuscoguttatus × E. lanceolatus) in Taiwan

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT In February 2025, a mortality event of unknown aetiology occurred at a hybrid grouper (Epinephelus fuscoguttatus × Epinephelus lanceolatus) aquaculture farm in southern Taiwan, with sporadic daily deaths persisting for a month. Four moribund groupers were collected over three sampling intervals for diagnostic investigation.
Shang‐Ting Wu   +2 more
wiley   +1 more source

Evaluate of conservation strategies for endangered sturgeons (Acipenseridae) [PDF]

open access: yes, 2006
Mersin balıkları Avrupa, Asya ve Kuzey Amerika’da 200 milyon yıldır yaşamlarını sürdüren balıklardır. Kuzey yarımküredeki nehir ve göllerde yirminci yüzyılın ortalarına kadar bol miktarda yayılış gösterirken günümüzde nesilleri yok olma tehlikesindedir.
Tırıl, Serap Ustaoğlu
core   +1 more source

Cultural and Economic Grievances and the Political Salience of Secessionism

open access: yesNations and Nationalism, EarlyView.
ABSTRACT Why does secessionism become politically salient at some times but recede at others? Existing work highlights how cultural and economic grievances can shape secessionism, but it explains less well when these claims elevate the salience of secessionism and why similar grievances matter in some contexts but not others.
Kevin Gatter
wiley   +1 more source

Tackling Poverty Across the United Kingdom. Devolution, Difference and Discourse

open access: yesIPPR Progressive Review, EarlyView.
ABSTRACT The UK welfare state is often considered as being highly centralised, yet the design and administration of UK social security involves significant spatial variations in law, policy, and practice. As such, where you live in the UK can affect the value of benefits and cash transfers you are entitled to, as well as how you experience benefit ...
Ruth Patrick   +3 more
wiley   +1 more source

Transfer of royal fish and the non-evolutionary history of Black Sea sturgeons

open access: yesAcademia Biology
The evolutionary relationship between Caspian and Black Sea sturgeons has long attracted scholarly attention. Although the two basins have been hydrologically isolated for at least 5000 years, genetic studies reveal the presence of Black Sea ...
Gigi Tevzadze
doaj   +1 more source

Unraveling Complex Impacts Pathways of the Ecodesign for Sustainable Products Regulation and Corporate Sustainability Due Diligence Directive in Global Textile Value Chains: A European Perspective

open access: yesRegulation &Governance, EarlyView.
ABSTRACT Through the Ecodesign for Sustainable Products Regulation and the Corporate Sustainability Due Diligence Directive, the European Commission targets sustainable products and value chains to curb environmental and social problems. Based on a combination of a complex systems lens and the global value chain and global governance approaches, the ...
Emilia Stadler   +2 more
wiley   +1 more source

Contestation and Compromise in Shaping the European Union's Corporate Sustainability due Diligence Directive: Implications for Global Value Chain Governance

open access: yesRegulation &Governance, EarlyView.
ABSTRACT This paper explores the European Union's Corporate Sustainability Due Diligence Directive (CS3D) in the context of ongoing debates on private and public governance of global value chains (GVCs). Conceptually, it draws on neo‐Gramscian perspectives to analyze how contestation and compromise between distinct stakeholders and dynamics of hegemony
Louise Curran   +2 more
wiley   +1 more source

The Sturgeons: Fragile Species Need Conservation [PDF]

open access: yes, 2004
Sturgeon is among the oldest fishes in the world. They are living in natural waters of Europe, Asia and the Northern America for 200 million years. Once abundant in lakes and rivers throughout the Northern Hemisphere, sturgeon stocks are now highly ...
Tırıl, Serap Ustaoğlu   +1 more
core   +1 more source

Home - About - Disclaimer - Privacy