Results 31 to 40 of about 21,671 (224)

Pottery Assemblage from the Kair-Shak VI and Kara-Khuduk Eneolithic Campsites in the Northern Caspian Sea Region

open access: yesАрхеология евразийских степей
The article presents the results of study of pottery from the Kara-Khuduk and Kair-Shak VI Eneolithic sites, located in the Northern Caspian Sea region. According to the method of ornamentation three groups of vessels were distinguished: 1) impresses of ...
Irina N. Vasilieva, Natalia S. Doga
doaj   +1 more source

Determining hierarchy between conflicting treaties: are there vertical rules in the horizontal system? [PDF]

open access: yes, 2012
Treaties are contractual instruments that may provide special rules of priority in case they conflict with other treaties. When a treaty does not provide such rules, however, priority is determined by the rules of the Vienna Convention on the Law of ...
BORGEN   +6 more
core   +1 more source

Galactooligosaccharide effects as prebiotic on intestinal microbiota of different fish species

open access: yesRUDN Journal of Agronomy and Animal Industries, 2019
Manipulation of the gut microbiota toward potentially beneficial bacteria (probiotics) has beneficial effects on fish physiology and health. The effects of prebiotics on gut microbiota are species specific. The present study aimed at investigation of the
Seyed Hossein Hoseinifar   +2 more
doaj   +1 more source

Enemy release: loss of parasites in invasive freshwater bivalves Sinanodonta woodiana and Corbicula fluminea

open access: yesEcography, EarlyView.
Invasive freshwater bivalves harm native species, ecosystems and biodiversity, and incur economic costs. The enemy release hypothesis posits that invasive species are released from enemies during the invasion process, giving them a competitive advantage in the new environment.
Binglin Deng   +8 more
wiley   +1 more source

Some Results on Study of The Oroshayemoye Site in the Steppe Zone of the Volga Region

open access: yesАрхеология евразийских степей
Neolithic-Eneolithic sites in the steppe zone are not so many. Therefore, new settlement excavations are very important. One of them is the Oroshayemoye settlement.
Aleksander A. Vybornov   +4 more
doaj   +1 more source

Radiocarbon chronology of Neolithic in the Lower Don and North-eastern Azov Sea

open access: yesDocumenta Praehistorica, 2017
So far, four different cultural-chronological groups of sites have been identified in the North-eastern Azov Sea and Lower Don River areas, including sites of the Rakushechny Yar culture, Matveev Kurgan culture, Donets culture, and sites of the Caspian ...
Andrey Tsybryi   +4 more
doaj   +1 more source

Stable Carbon and Nitrogen Isotope Analysis Explores Diverse Domestic Goose Management Practices in Medieval and Postmedieval Russia

open access: yesInternational Journal of Osteoarchaeology, EarlyView.
ABSTRACT Studying goose domestication through archaeological finds has been challenging due to the similar skeletal morphology of the European domestic goose and its wild progenitor, the greylag goose (Anser anser). We analyzed stable carbon (δ13C) and nitrogen (δ15N) isotopes from bone collagen of subfossil domestic and potentially domestic geese to ...
Johanna Honka   +7 more
wiley   +1 more source

Aquaculture Asia, Vol.13, No.3, pp.1-60, July-September 2008 [PDF]

open access: yes, 2008
Comments on possible improvements to carp culture in Andhra Pradesh. Aquaculture and environmental issues in the region of Nai Lagoon, Ninh Hai district,Ninh Thuan province, Viet Nam. Climate change impacts on fi sheries and aquaculture.

core  

Issues of Studying Early Neolithic Dwellings of the Lower and Middle Volga Region

open access: yesПоволжская археология, 2022
Analysis of problematic issues of studying the Late Stone Age dwellings from the Northern Caspian to the Kama forest region is made in the paper. The dwelling is considered one of the composite components of the archaeological culture.
Vybornov Alexander A.   +1 more
doaj   +1 more source

When invasions go unnoticed: Public perception of the freshwater jellyfish Craspedacusta sowerbii in Europe

open access: yesPeople and Nature, EarlyView.
Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux   +17 more
wiley   +1 more source

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