Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Rudolf Abraham"'
Publikováno v:
Evolutionary Systematics, Vol 4, Iss 1, Pp 1-4 (2020)
For the first time the Asian hornet Vespa velutina has been found in Hamburg (Northern Germany). So far this is the northernmost occurrence of this originally SE-Asian species in Europe and in the world. It remains unclear whether this is a single ac
Externí odkaz:
https://doaj.org/article/bac0c3402a344517899dfa5374a0f2d8
Publikováno v:
Evolutionary Systematics 4(1): 1-4
Evolutionary Systematics, Vol 4, Iss 1, Pp 1-4 (2020)
Evolutionary Systematics, Vol 4, Iss 1, Pp 1-4 (2020)
For the first time the Asian hornet Vespa velutina has been found in Hamburg (Northern Germany). So far this is the northernmost occurrence of this originally SE-Asian species in Europe and in the world. It remains unclear whether this is a single ac
Publikováno v:
Hydrobiologia. 763:313-327
Prey choice of opportunistic piscivorous birds, such as Phalacrocoracidae, may primarily depend on prey abundance in rivers. Estuaries, the most downstream river stretches, often represent important feeding sites for piscivorous birds, but are usuall
Autor:
Rudolf Abraham
A guidebook to the Peaks of the Balkans Trail, a circular route through the wild and rugged borderlands of Montenegro, Albania and Kosovo. Launched in 2013 to promote sustainable local tourism and transcend political borders, the 192km trail winds it
Autor:
Rudolf Abraham
This guide describes two long-distance trails through the unspoilt scenery of Northumberland and the Borders. St Oswald's Way begins at Heavenfield and its 97 miles take in rolling farmland and the Simonside Hills before reaching the vast sandy beach
Autor:
Rudolf Abraham
Guidebook to walking and trekking in Chile's Torres del Paine National Park and Argentina's Los Glaciares National Park, areas of Patagonia. Eight different walks and treks are described, including the 10-11 day Torres del Paine Circuit, one of the w
Autor:
Rudolf Abrahám, Radoslav Majdan, Katarína Kollárová, Zdenko Tkáč, Eva Matejková, Soňa Masarovičová, Róbert Drlička
Publikováno v:
Agriculture, Vol 14, Iss 4, p 545 (2024)
In general, energy loss reduction via the interaction of tires with the ground improves tractor traction performance when a drawbar pull is generated. This paper is examines the driving wheels with steel spikes for a tractor equipped with modern radi
Externí odkaz:
https://doaj.org/article/688383e9d5b24a91ba7bc7140cc1a3a7
Autor:
Rudolf Abraham
This guidebook to Montenegro includes day-walks and multi-day treks throughout the Dinaric Alps, ranging from 1 hour to 5 days, with a selection of circular and linear routes, with variants and extensions. The 17 walks and trekking routes take in Mon
Autor:
Rudolf Abraham
Publikováno v:
Zeitschrift für Angewandte Entomologie. 79:113-123
Effects of temperature on the flying activity of parasitic Hymenoptera. The temperature at which parasitic Hymenoptera fly was found out with Moericke-traps. Most of the small species fly at low temperatures of about 13° C and thus don't lose much w
Autor:
Rudolf Abraham
This guidebook describes 30 walks on the islands of the Croatian Adriatic. 14 islands are covered and the walks can all be completed within a day. Routes range from 2-19.5km and are almost all easy, with no technical difficulties or scrambling. There