73 items matching your criteria

Research Article

Potential risk resulting from the influence of static magnetic field upon living organisms. Numerically simulated effects of the static magnetic field upon simple alkanols

Wojciech Ciesielski, Tomasz Girek, Zdzisław Oszczęda, Jacek A. Soroka, Piotr Tomasik

10.3897/biorisk.18.76997

06-06-2022

Unique: 126 | Total: 200

Reprint: € 7,20

35-55

Review Article

Studies on the Bulgarian members of the family Chenopodiaceae s. stricto: a review

Vanya Stoyanova Boneva, Nadezhda Traycheva Petkova

10.3897/biorisk.18.78548

27-04-2022

Unique: 225 | Total: 434

Reprint: € 5,90

17-34

Research Article

Relocation and formation of new local population of Viola pumila Chaix – an endangered species in Europe and identification of measures for improvement of its habitat

Maria Zh. Kaschieva, Nikolay P. Nedyalkov

10.3897/biorisk.18.76114

27-04-2022

Unique: 217 | Total: 397

Reprint: € 4,80

1-16

Research Article

Pre-monitoring geochemical research of the river sediments in the area of Ada Tepe gold mining site (Eastern Rhodopes)

Dimitar Zhelev, Rumen Penin

10.3897/biorisk.17.77466

21-04-2022

Unique: 233 | Total: 358

Reprint: € 3,60

379-387

Research Article

Forests of Breznik municipality

Borislav Grigorov, Nikolay Velev, Assen Assenov, Momchil Nazarov, Beloslava Genova, Kiril Vassilev

10.3897/biorisk.17.77388

21-04-2022

Unique: 228 | Total: 346

Reprint: € 3,60

367-377

Research Article

Comparative determination of antimicrobial activity of the Balkan endemic species Stachys thracica Davidov during the process of ex situ conservation

Desislava Mantovska, Detelina Petrova, Lybomira Yocheva, Zhenya Yordanova

10.3897/biorisk.17.77484

21-04-2022

Unique: 237 | Total: 348

Reprint: € 3,60

357-365

Research Article

Influence of some environmental factors on the distribution of zooplankton complexes in Mandra Reservoir, in Southeastern Bulgaria

Eleonora Fikovska, Dimitar Kozuharov, Marieta Stanachkova

10.3897/biorisk.17.77368

21-04-2022

Unique: 233 | Total: 330

Reprint: € 4,80

343-355

Research Article

Pteromalid fauna (Hymenoptera, Pteromalidae) in oilseed rape (Brassica napus L.) fields in Bulgaria – species composition and perspectives for biological control

Ivaylo Todorov, Toshko Ljubomirov, Vlada Peneva

10.3897/biorisk.17.77454

21-04-2022

Unique: 266 | Total: 411

Reprint: € 4,80

329-342

Research Article

Monitoring bumblebee pollinator visits to the medicinal plant Gentiana asclepiadea L. (Gentianacese) – a comparison between the periods 1990–1994 and 2017–2020

Ekaterina Kozuharova, Vasil Simeonov

10.3897/biorisk.17.76577

21-04-2022

Unique: 242 | Total: 345

Reprint: € 3,60

317-327

Research Article

Plant products with acetylcholinesterase inhibitory activity for insect control

Borislav Georgiev, Milena Nikolova, Ina Aneva, Anatoli Dzhurmanski, Boriana Sidjimova, Strahil Berkov

10.3897/biorisk.17.77052

21-04-2022

Unique: 228 | Total: 353

Reprint: € 2,60

309-315

Research Article

Pollinators of Lavandula angustifolia Mill., an important factor for optimal production of lavender essential oil

Hristo Valchev, Zdravko Kolev, Bilyana Stoykova, Ekaterina Kozuharova

10.3897/biorisk.17.77364

21-04-2022

Unique: 307 | Total: 463

Reprint: € 3,60

297-307