67 items matching your criteria

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

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: 267 | Total: 412

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

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

Research Article

Sexually-manifested variations in pigmentation of Boeckella poppei (Copepoda, Calanoida) from Livingston Island (Maritime Antarctica)

Ivan Pandourski, Vesela Evtimova, Lyubomir Kenderov

10.3897/biorisk.17.75988

21-04-2022

Unique: 200 | Total: 317

Reprint: € 2,60

263-269

Research Article

Light and auxin treatments affect morphogenesis and polyphenolics productivity in Artemisia alba Turra cell aggregates in vitro

Dobrina Pecheva, Kalina Danova

10.3897/biorisk.17.77452

21-04-2022

Unique: 182 | Total: 289

Reprint: € 4,80

213-225

Research Article

Citizen scientists significantly improve our knowledge on the non-native longhorn beetle Chlorophorus annularis (Fabricius, 1787) (Coleoptera, Cerambycidae) in Europe

Matthias Seidel, Maren Lüttke, Christian Cocquempot, Katy Potts, Wil J. Heeney, Martin Husemann

10.3897/biorisk.16.61099

09-03-2021

Unique: 1795 | Total: 3388

Reprint: € 4,80

1-13

Short Communication

Predating behavior of the Laughing falcon (Herpetotheres cachinnans) on the venomous Amazonian pit viper Bothrops atrox (the use of roads as a prey source)

Pablo Medrano-Vizcaíno

10.3897/biorisk.14.35953

02-07-2019

Unique: 2086 | Total: 3751

Reprint: € 2,60

25-30

Review Article

What about biological corridors? A review on some problems of concepts and their management

Roberto Moreno, Claudia Jimena Guerrero-Jimenez

10.3897/biorisk.14.32682

04-06-2019

Unique: 17186 | Total: 27458

Reprint: € 3,60

15-24