Articles

10.3897/biorisk.17.77487

21-04-2022

Unique: 2588 | Total: 3992

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389-406

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: 2461 | Total: 3930

Reprint: € 6,00

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: 2599 | Total: 4330

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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: 2517 | Total: 3982

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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: 2634 | Total: 3964

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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: 2781 | Total: 4172

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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: 2604 | Total: 4053

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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: 3564 | Total: 5380

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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: 4577 | Total: 6875

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297-307

Research Article

Evaluation of viral infection levels in intensive and organic poultry farming

Plamen M. Kirov, Radostina I. Alexandrova

10.3897/biorisk.17.77398

21-04-2022

Unique: 2378 | Total: 3755

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287-296

Research Article

Organic vs conventional farming of oil-bearing rose: Effect on essential oil and antioxidant activity

Mima Todorova, Ana Dobreva, Nadezhda Petkova, Neli Grozeva, Mariya Gerdzhikova, Petya Veleva

10.3897/biorisk.17.77488

21-04-2022

Unique: 3666 | Total: 5694

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271-285

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: 2374 | Total: 3803

Reprint: € 5,00

263-269