Results 111 to 120 of about 1,459 (197)

Wilderness Network Conservation in the Cantabrian Region of Northern Spain [PDF]

, 2012
Natura 2000 is a pan-European network whose principal aim is to conserve the European spaces of greatest natural interest. Its effectiveness is analyzed in a specific sector in Spain, namely the Atlantic Region, through an exhaustive division and ...
Allende Álvarez, Fernando, Frochoso Sánchez, Manuel, González, Raquel, López Estébanez, Nieves   +3 more
core   +1 more source

Comparative analysis of freshwater crayfish growth in different types of water bodies in Ukraine: current trends and variability factors

Ribogospodarsʹka Nauka Ukraïni
Purpose. To conduct a comparative analysis of the growth of freshwater crayfish in different types of water bodies in Ukraine (reservoirs, bays, estuaries) and identify key factors that determine the spatiotemporal variability of their sizes and weights.
M. Burhaz, V. Gurbyk
doaj   +1 more source

Studies on the spermatogenesis of two Indian freshwater brachyurans [PDF]

, 1995
The events of spermatogenesis in two species of brachyuran crabs (Barytelphusa jacquemonti (Rathbun) and Oziotelphusa senex (Fabricius) were studied by light microscopy. Four different cell types were categorised in the testis, namely 1. Spermatogonia, 2.
Rao, Geetha K., Shakuntala, Katre
core  

The Coding Mitogenome of the Freshwater Crayfish Pontastacus leptodactylus (Decapoda:Astacidea:Astacidae) from Lake Vegoritida, Greece and Its Taxonomic Classification. [PDF]

Genes (Basel), 2023
Alvanou MV, Apostolidis AP, Lattos A, Michaelidis B, Giantsis IA.   +4 more
europepmc   +1 more source

Subletalni učinci 2,4-diklorofenoksi octene kiseline (2,4-D) na slatkovodnog uskoškarog raka (Astacus leptodactylus Eschscholtz, 1823) [PDF]

, 2016
2,4-D is a widely used phenoxy herbicide, potentially toxic to humans and biota. The objective of the present study was to reveal short term sublethal effects of 2,4-D on narrow-clawed freshwater crayfish (Astacus leptodactylus Eschscholtz, 1823), based ...
A. Çağlan Karasu Benli, Aylin Sepici Dinçel, Burcu Koçak Memmi, Duygu Şahin, Mahmut Selvi, Rabia Sarıkaya   +5 more
core   +1 more source

Effect of dietary protein and protein energy ratio on the growth performance of lemon fin barb hybrid (Hypsibarbus wetmorei X Puntius gonionotus) larvae [PDF]

, 2017
A series of two experiments was conducted to study the optimum dietary protein level and protein to energy ratio of lemon fin barb hybrid larvae. In Experiment 1, five isocaloric diets (4700 kcal per kg) ranging from 40 to 60% protein in 5% increments ...
Anizah, M.R., Kamarudin, M.S., Rahim, A.A., Saad, C.R.   +3 more
core  

Dietary Chlosterol Requirement of Juvenile Narrow-clawed Crayfish (Astacus leptodactylus) in a Recirculating Aquaculture System [PDF]

Journal of Oceanography, 2020
Reza Jalili, Naser Agh, Ahmad Imani, Farzaneh Noori   +3 more
openaire   +1 more source

An investigation on the population parameters of freshwater crayfish (Pontastacus leptodactylus Eschscholtz, 1823) in Lake Yeniçağa (Bolu)

Fisheries & Aquatic Life
This study examines the monthly population parameters of Pontastacus leptodactylus in Lake Yeniçağa, including sex, length, and weight compositions, length-weight relationship, fecundity, morphometry, meat yield, and crayfish plague ratio.
Gençay İrem, Sorguç Bura Uğur, Saygı Yasemin   +2 more
doaj   +1 more source

Comparative ultrastructure of the antennae and sensory hairs in six species of crayfish. [PDF]

PeerJ, 2023
Kor G, Mengal K, Buřič M, Kozák P, Niksirat H.   +4 more
europepmc   +1 more source

The mycobiome of a successful crayfish invader and its changes along the environmental gradient. [PDF]

Anim Microbiome, 2023
Dragičević P, Bielen A, Žučko J, Hudina S.   +3 more
europepmc   +1 more source