DOCSLIB.ORG

“Kliment's Days” a B S T R a C

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
“Kliment's Days” a B S T R a C Sofia University St. Kliment Ohridski Faculty of Biology youth SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8th NOVEMBER 2019 A B S T R A C T S FUNDED BY: PROJECT № 80-10-76/2019 SOFIA UNIVERSITY; PROJECT № 3360/2018 SCIENTIFIC RESEARCH DEPARTMENT, SOFIA NIVERSITY Sofia University St. Kliment Ohridski Faculty of Biology YOUTH SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8th NOVEMBER 2019 A B S T R A C T S SOFIA 2019 HONORARY CHAIRMAN Prof. Mariela Odjakova CHAIRMAN Prof. STOYAN SHISHKOV, Dean of Faculty of Biology SCIENTIFIC COMMITTEE Prof. Stoyan Shishkov Assoc. Prof. Lyuben Zagorchev Assoc. Prof. Trayana Nedeva Assoc. Prof. Anelya Kenarova Assoc. Prof. Vyara Mamatarkova Assoc. Prof. Valentina Ganeva Assoc. Prof. Svetoslav Dimov Assoc. Prof. Mariela Chichova Assoc. Prof. Miroslava Zhiponova Assoc. Prof. Dimitar Kozhuharov Assoc. Prof. Veselina Moskova-Doumanova Assos. Prof. Albena Gjonova Assoc. Prof. Blagoy Uzunov Assos. Prof. Kamelya Yotovska ORGANIZING COMMITTEE: Assoc. Prof. Dilyana Nikolova Assoc. Prof. Ivan Traykov Assoc. Prof. Anita Tosheva Assoc. Prof. Yana Evstatieva Assoc. Prof. Denitsa Teofanova Assist. Prof. Atanas Grozdanov Assist. Prof. Daniel Todorov Secretary: Mrs. Mariana Modreva Webmaster: Mr. Konstantin Nikolov http://www.biofac.info/ Funded by: Project № 80-10-76/2019 Sofia University; Project № 3360/2019 Scientific Research Department, Sofia University ISSN: 1314–4960 C O N T E N T S: 1. PROGRAMME...........................................................................................4 2. ORAL PRECENTATIONS.....................................................................13 3. POSTERS B&BE–Biodiversity and Biological Education.....................................21 E&DS–Ecology and Sustainable Development....................................38 MB&BT–Molecular Biology and Biotechnology..................................54 YOUTH SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8TH NOVEMBER 2019 SOFIA FACULTY OF BIOLOGY PROGRAMME FRIDAY, NOVEMBER 08th 2019 FACULTY OF BIOLOGY Time SESSION Auditorium 08:30 – 11:00 Registration 2-nd floor 08:30 – 12:00 Poster mounting 2-nd floor OPENING CEREMONY Prof. Stoyan Shishkov, 09:30 – 10:00 Dean of the Faculty of Biology 239 Prof. Mariela Odjakova Honorary Chairman of the Organizing Committee ORAL PRESENTATIONS Time 239 Chairman – Assoc. Prof. Denitsa Teofanova YORDAN GEORGIEV, Tsvetelina G. Batsalova, Manol H. Ognyanov, Petko N. Denev, Balik M. Dhzambazov, Daniela V. Antonova, Ivanka I. Teneva, Christian W. Wold, Berit S. Paulsen Laboratory of Biologically Active Substances, Institute of Organic Chemistry 10:00 – 10:15 with Centre of Phytochemistry, Bulgarian Academy of Sciences, 139 Plovdiv, Bulgaria CHARACTERIZATION AND BIOLOGICAL ACTIVITY OF POLYSACCHARIDES AND OTHER METABOLITES FROM CYANOBACTERIA METE MISIRLIOĞLU, RalitsaTsekova and Hristo Valchovski Eskişehir Osmangazi University, Faculty of Science and Letters, Department of Biology, 26480 Eskişehir, Turkey 10:15 – 10:30 DISTRIBUTION OF THE BALKAN-ANATOLIAN EARTHWORMS (CLITELLATA, MEGADRILI) DENDROBAENA COGNETTII (MICHAELSEN, 1903) AND EISENIA KATTOULASI ZICSI & MICHALIS, 1981 KATERINA ZAREVA-SIMEONOVA, Venislava Racheva, Daniela Simeonovska-Nikolova, Krastio Dimitrov Department of Ecology and Environmental Protection, Faculty of Biology, Sofia 10:30 – 10:45 University “St. Kliment Ohridski” COMPARATIVE STUDY OF THE BEHAVIOR OF THE BROWN BEAR, URSUS ARCTOS UNDER DIFFERENT CONDITIONS IN CAPTIVITY 4 YOUTH SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8TH NOVEMBER 2019 SOFIA FACULTY OF BIOLOGY TSVETAN TSVETKOV, Denica Daskalova Institute of Biology and Immunology of Reproduction - Bulgarian Academy of Sciences 10:45 – 11:00 MORPHOLOGICAL AND KINETIC CHANGES IN SPERMATOZOA DURING IN VITRO INDUCED DECAPACITATION WITH SEMINAL PLASMA PROTEINS MADLENA ANDREEVA, Albena Alexandrova, Elina Tsvetanova, Nikola Metodiev, Rossen Stefanov Institute of Biology and Immunology of reproduction “Acad. K. Bratanov”, BAS, Sofia, Bulgaria 11:00 – 11:15 ЕFFECT OF ULTRA-LOW CRYOPRESERVATION TEMPERATURES ON THE LIPID PEROXIDATION OF EJACULATES OBTAINED FROM RAMS OF TWO BREEDS- LACAUNE AND SYNTHETIC POPULATION BULGARIAN MILK (SPBM) KAPKA MANCHEVA, Teodora Vukova, Georgi Atanasov, Andon Kosev 11:15 – 11:30 Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria TRANSCRANIAL MAGNETIC STIMULATION ATANAS GROZDANOV, Anita Tosheva, Plamen Petrov, Dimitar Dimitrov, Petar Petrov 11:30 – 11:45 Faculty of Biology, Sofia University STUDENTS'S CLUB SKOREC - A DECADE OF VOLUNTEER SCIENCE AND EDUCATION IN FACULTY OF BIOLOGY 11:45 – 13:00 LUNCH POSTER SESSION 13:00 – 15:00 2-nd floor Discussions with cup of coffee 15:00 Closing Ceremony and “Best Poster” awards POSTERS BIODIVERSITY AND BIOLOGICAL EDUCATION В&BE-1/В&BE-17 Albena Dimitrova, Ivaila Yankova Ivanova-Pandourska ASSESSMENT OF BODY COMPOSITION CHARACTERISTICS В&BE-1 IN BULGARIAN RHYTHMIC GYMNASTS BY BIOELECTRICAL IMPEDANCE ANALYSIS Asen Asenov POPULATION STATUS OF HIMANTOGLOSSUM CAPRINUM В&BE-2 (M.BIEB) SPRENG (ORCHIDACEAE) ON ZEMENSKA MOUNTAIN, WEST BULGARIA 5 YOUTH SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8TH NOVEMBER 2019 SOFIA FACULTY OF BIOLOGY Borislava Margaritova, Dimitriy Dashinov, Lubomir Kenderov, Eliza Uzunova APPLICATION OF A MICROINVASIVE METHOD FOR В&BE-3 THE EXAMINATION OF THE GASTRIC CONTENT OF STURGEON SPECIES (PISCES: ACIPENSERIDAE) FROM THE DANUBE RIVER Elena Nenova, Ganina Nacheva- Lavchieva TERATOLOGICAL CHANGES IN CYCLOPS VICINUS В&BE-4 (ULYANIN, 1875) (COPEPODA, CYCLOPOIDA) FROM VAYA LAKE Ivaylo Todorov, Georgi Hristov, Atanas Grozdanov, Dimitar Parvanov В&BE-5 NEW RECORDS OF PTEROMALIDAE (HYMENOPTERA: CHALCIDOIDEA) FOR LOZENSKA MTS., WITH SOME CONTRIBUTIONS TO THE FAUNA OF BULGARIA Ivo Vladimirov, Racho Stoev PHYSICAL DEVELOPMENT OF STUDENTS IN FACULTY В&BE-6 OF BIOLOGY OF SOFIA UNIVERSITY " ST. KLIMENT OHRIDSKI" Magdalena Pirinska-Apostolu, Veneta Angelova В&BE-7 CEPHALOSCOPIC INVESTIGATION OF SCHOOL CHILDREN FROM CENTRAL GREECE Kenderov M., Kenderov L., Evtimova V., Apostolov A., Uzunova E. Stefanov T. & Mitov P. WHAT DO WE KNOW ABOUT MARINE ANIMALS В&BE-8 FROM SOUTH BAY, LIVINGSTON, ANTARCTICA? THE EXPERIENCE FROM THE XXVII TH BULGARIAN ANTARCTIC EXPEDITION Maya Paraskova, Elitsa Popova, Nikola Doykin, Marco Ponti, Giulio Cosani, Diana Zlatanova В&BE-9 CAMERA TRAPPING MARTENS IN TWO DIFFERENT MOUNTAINS – EFFECT OF THE LURE Nikola Bankov PHAGNUM-DWELLING TESTATE AMOEBAE В&BE-10 (AMOEBOZOA; CERCOZOA; STRAMENOPILES) IN PIRIN MOUNTAINS N. Dolapchiev, P. Petrov, E. Popova, N. Doykin, D. Zlatanova, M. Ponti, G. Cosani В&BE-11 WOLF (CANIS LUPUS L.) DIET IN OSOGOVO MTN. (BULGARIA) OVER TWO YEARS Ralitsa Konyovska MORPHOLOGICAL VARIATION OF METOPIC SUTURE В&BE-12 IN ADULT HUMAN SKULLS FROM THE NECROPOLIS OF ANTIQUE SALONA (CROATIA) 6 YOUTH SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8TH NOVEMBER 2019 SOFIA FACULTY OF BIOLOGY Teodora Toshova, Danail Takov, Dimitar Velchev, Daniela Pilarska, Ivaylo Todorov, Slavimira Draganova EVALUATION OF BIOINSECICIDES AGAINST THE В&BE-13 GREY MAIZE WEEVIL, TANYMECUS DILATICOLLIS (COLEOPTERA: CURCULIONIDAE), UNDER LABORATORY AND FIELD CONDITIONS Veneta Angelova, Dimitrina Georgieva DETERMINATION AND COMPARISON BETWEEN В&BE-14 BIOLOGICAL RELATIVES WITH RESPECT TO DERMATOGLYPHIC PATTERNS ON GENERAL FINGERPRINT TYPES Veneta Angelova, Magdalena Pirinska-Apostolu В&BE-15 EPIDERMAL PALMAR RIDGES COUNT ON THE PALM IN BULGARIAN POPULATION Yoana Kizheva, Svetlana Krumova, Milena Petrova, Iliyana Rasheva, Petya Hristova В&BE-16 ROLE OF BACTERIAL EXOPOLYSACCHARIDE IN PHAGE INFECTION Zorka Mitova ASSESSMENT OF THE IMPACT OF ESSENTIAL FACTORS В&BE-17 IN THE TRANSFORMATION OF THE BODY AND THE FORMATION OF SEXUAL DIFFERENCES DURING PUBERTY ECOLOGY AND SUSTAINABLE DEVELOPMENT Е&SD-1/Е&SD-16 Anelia Kenarova, Silvena Boteva, Ivan Traykov, Valentin Bogoev, Hristina Bakardzhieva Е&SD-1 SOIL MICROBIOTA AS AN INDICATOR OF SOIL QUALITY AND LAND USE IMPACTS IN AGROECOSYSTEMS OF RAZLOG MUNICIPALITY B. Angelova, R. Ilieva, M. Iliev, I. Nedkov, D. Stoyanov, V. Groudeva Е&SD-2 INVESTIGATION OF MICROBIOTA IN ATMOSPHERIC AEROSOLS DURING LIDAR MONITORING OF HIGHLY URBANIZED AREA IN SOFIA CITY Gabriela Petrova, Kalina Pachedjieva, Rossen Tzonev MAPPING OF NATURAL HABITATS AND PLANT SPECIES Е&SD-3 WITH CONSERVATION IMPORTANCE ON THE TERRITORY OF ETROPOLSKA STARA PLANINA MTS. Meltem Guzel Е&SD-4 THE EFFECTS OF MEDIA ON NATURAL HABITATS IN TURKEY Miryana Varbeva, Petya Kovacheva INFLUENCE OF THE RAPID TEMPERATURE INCREASE ON Е&SD-5 THE BINDING OF CO-60 AND CS-13 7 TO SOIL ORGANIC MATTER 7 YOUTH SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 8TH NOVEMBER 2019 SOFIA FACULTY OF BIOLOGY Nese Yilmaz Е&SD-6 AN ENVIRONMENTALLY FRIENDLY CLEANING TECHNOLOGY IN WATERS: “PHYTOREMEDIATION” Assya Petrova, Vladimir Aleksandrov, Irena Grigorova, Daniel Ilkov, Violeta Velikova Е&SD-7 PLANT-DERIVED PROTEIN HYDROLYSATES STIMULATE FUNCTIONAL ACTIVITY AND GROWTH OF YOUNG CUCUMBER PLANTS Nevenka Kostova, Hristo Vasilev Е&SD-8 MINING NEAR AN URBANIZED AREA - PROJECT BASED TRAINING. Olga Georgieva, Natalia Karadzova POSSIBILITIES FOR BIOLOGICAL CONTROL OF FUSARIUM Е&SD-9 ROOT ROT ON CUCUMBER WITH ANTAGONISTIC FUNGI FROM TRICHODERMA AND GLIOCLADIUM GENUS Petya Kovacheva, Nelly Boshnakova ON THE USE OF GAMMA-IRRADIATION FOR Е&SD-10 DISINFESTATION OF LEATHER, PAP ER AND WOOD MATERIALS IN BULGARIA Ralitsa Ilieva, Mihail Iliev, Veneta Groudeva THERMOACIDOPHILIC CHEMOLITOTROPHIC ARCHAEA Е&SD-11 ISOLATED FROM DIFFERENT SULFIDE ORE DEPOSITS IN BULGARIA Serap Kocabiyik, Betül Kir, Ibrahim Emecan Е&SD-12
Load more

Recommended publications
  • Metabolic Response of Antarctic Pteropods (Mollusca: Gastropoda) to Food Deprivation and Regional Productivity
    Vol. 441: 129–139, 2011 MARINE ECOLOGY PROGRESS SERIES Published November 15 doi: 10.3354/meps09358 Mar Ecol Prog Ser Metabolic response of Antarctic pteropods (Mollusca: Gastropoda) to food deprivation and regional productivity Amy E. Maas1,*, Leanne E. Elder1, Heidi M. Dierssen2, Brad A. Seibel1 1Department of Biological Sciences, University of Rhode Island, Kingston, Rhode Island 02881, USA 2Department of Marine Sciences, University of Connecticut, Groton, Connecticut 06340, USA ABSTRACT: Pteropods are an abundant group of pelagic gastropods that, although temporally and spatially patchy in the Southern Ocean, can play an important role in food webs and biochem- ical cycles. We found that the metabolic rate in Limacina helicina antarctica is depressed (~23%) at lower mean chlorophyll a (chl a) concentrations in the Ross Sea. To assess the specific impact of food deprivation on these animals, we quantified aerobic respiration and ammonia (NH3) produc- tion for 2 dominant Antarctic pteropods, L. helicina antarctica and Clione limacina antarctica. Pteropods collected from sites west of Ross Island, Antarctica were held in captivity for a period of 1 to 13 d to determine their metabolic response to laboratory-induced food deprivation. L. helicina antarctica reduced oxygen consumption by ~20% after 4 d in captivity. Ammonia excretion was not significantly affected, suggesting a greater reliance on protein as a substrate for cellular res- piration during starvation. The oxygen consumption rate of the gymnosome, C. li macina antarc- tica, was reduced by ~35% and NH3 excretion by ~55% after 4 d without prey. Our results indi- cate that there is a link between the large scale chl a concentrations of the Ross Sea and the baseline metabolic rate of pteropods which impacts these animals across multiple seasons.
    [Show full text]
  • Analytical Report
    ANALYTICAL REPORT CAPACITY OF THE MUNICIPALITIES OF BANSKO, BELITSA, RAZLOG AND YAKORUDA FOR IMPLEMENTATION OF ACTIVITIES RELATED TO ALTERNATIVE TOURISM IN A CROSS-BORDER REGION Part One 1. General Characteristics of the region а. Territory, towns, natural assets The four municipalities are located at the foot of the Pirin and Rila Mountains and in the Western-most part of the Rhodope Mountains. Their total area is 1,568 sq. km. and there are 5 towns and 31 villages situated there, including high in the mountains. The infrastructure is relatively good and ensures access to all settlements. The local roads are being renovated as per the adopted municipal pans. There is Internet in place, which ensures good conditions for modern communications. The region is mountainous and includes reserves, protected territories and National Parks. The area is rich in water resources: rivers, high-mountain lakes, waterfalls (the most famous one being the Sv. Nikola Waterfall – Municipality of Bansko). There are also many thermal springs, the majority of them being unique. The Banya village, located along the Razlog – Yakoruda road, is one of the richest settlements in Bulgaria in terms of thermal water – 72 springs have been found with various temperature and composition. Along the course of the Dobrinishka River, there is the mineral water pool built in ancient times and known as Rimskoto Banche (the Roman Bath). There are two thermal water deposits in the Municipality of Belitsa – one of them with low-mineralised water suitable for daily use and the other – with water suitable for treating locomotor problems. The natural rock formations – wonders of nature, which are the subject of various legends, are also numerous and varied.
    [Show full text]
  • Establishment of Waste Network for Sustainable Solid Waste Management Planning and Promotion of Integrated Decision Tools in the Balkan Region
    Establishment of Waste Network for Sustainable Solid Waste Management Planning and Promotion of Integrated Decision Tools in the Balkan Region (BALKWASTE) LIFE07/ENV/RO/686 Action 3: Evaluation of waste infrastructure in the Bulgarian target region – Razlog Municipality Sofia, December 2010 2nd Revision Main authors: Lucia Ilieva, Margarita Hristova, Iskra Kuncheva, Velika Chimeva (CSDCS) Contributors: Kyriakos Elaiopoulos, Tudor Dau (EFCon), George Katsanos, Eleni Feleki, Christos Venetis (Euroconsultants), Fotis Kourmousis, Dimitra Poulia (NTUA) ABREVIATIONS MOEW Ministry of Environment and Water MSW Municipal Solid waste NSI National Statistical Institute RIOSW Regional Inspectorate of Environment and Water PUDOS Programme for Actions related to environment OP Operational programme MW Municipal waste WM Waste management TABLE OF CONTENTS EXECUTIVE SUMMARY ........................................................................................... 3 1. CHAPTER 1: INTRODUCTION 5 1.1. DEMOGRAPHIC CHARACTERISTICS 6 1.2. ECONOMIC DEVELOPMENT 8 1.3. TOURISM 9 1.4. TRANSPORT INFRASTRUCTURE 10 2. DETAILED DATA FOR MUNICIPALITIES INCLUDED IN THE WM PROJECT 13 2.1. DEMOGRAPHIC CHARACTERISTICS 13 2.2. ECONOMIC CHARACTERISTICS 17 3. WASTE MANAGEMENT STAKEHOLDERS 20 4. WASTE QUANTITIES 21 5. WASTE COLLECTION 24 6. SEPARATION AT SOURCE SCHEMES 26 7. WASTE TREATMENT 29 8. COSTS 35 9. CONCLUSIONS 37 10. REFERENCES 44 11. ANNEX I – RAZLOG REGIONAL LANDFILL PROJECT 46 CSDCS - Club “Sustainable Development of Civil Society” 2 Executive Summary The report provides a detailed picture of the waste infrastructure in the target region of Razlog and the proposed construction of regional landfill. This landfill will be a modern in regard to technology installation corresponding to the undertaken engagements of the country towards the European community. The common vision is for considerable improvement and preservation of the environment especially in the situation of fast developing tourism and sport in the region.
    [Show full text]
  • Canada's Arctic Marine Atlas
    CANADA’S ARCTIC MARINE ATLAS This Atlas is funded in part by the Gordon and Betty Moore Foundation. I | Suggested Citation: Oceans North Conservation Society, World Wildlife Fund Canada, and Ducks Unlimited Canada. (2018). Canada’s Arctic Marine Atlas. Ottawa, Ontario: Oceans North Conservation Society. Cover image: Shaded Relief Map of Canada’s Arctic by Jeremy Davies Inside cover: Topographic relief of the Canadian Arctic This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/4.0 or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA. All photographs © by the photographers ISBN: 978-1-7752749-0-2 (print version) ISBN: 978-1-7752749-1-9 (digital version) Library and Archives Canada Printed in Canada, February 2018 100% Carbon Neutral Print by Hemlock Printers © 1986 Panda symbol WWF-World Wide Fund For Nature (also known as World Wildlife Fund). ® “WWF” is a WWF Registered Trademark. Background Image: Phytoplankton— The foundation of the oceanic food chain. (photo: NOAA MESA Project) BOTTOM OF THE FOOD WEB The diatom, Nitzschia frigida, is a common type of phytoplankton that lives in Arctic sea ice. PHYTOPLANKTON Natural history BOTTOM OF THE Introduction Cultural significance Marine phytoplankton are single-celled organisms that grow and develop in the upper water column of oceans and in polar FOOD WEB The species that make up the base of the marine food Seasonal blooms of phytoplankton serve to con- sea ice. Phytoplankton are responsible for primary productivity—using the energy of the sun and transforming it via pho- web and those that create important seafloor habitat centrate birds, fishes, and marine mammals in key areas, tosynthesis.
    [Show full text]
  • MOLLUSCA Nudibranchs, Pteropods, Gastropods, Bivalves, Chitons, Octopus
    UNDERWATER FIELD GUIDE TO ROSS ISLAND & MCMURDO SOUND, ANTARCTICA: MOLLUSCA nudibranchs, pteropods, gastropods, bivalves, chitons, octopus Peter Brueggeman Photographs: Steve Alexander, Rod Budd/Antarctica New Zealand, Peter Brueggeman, Kirsten Carlson/National Science Foundation, Canadian Museum of Nature (Kathleen Conlan), Shawn Harper, Luke Hunt, Henry Kaiser, Mike Lucibella/National Science Foundation, Adam G Marsh, Jim Mastro, Bruce A Miller, Eva Philipp, Rob Robbins, Steve Rupp/National Science Foundation, Dirk Schories, M Dale Stokes, and Norbert Wu The National Science Foundation's Office of Polar Programs sponsored Norbert Wu on an Artist's and Writer's Grant project, in which Peter Brueggeman participated. One outcome from Wu's endeavor is this Field Guide, which builds upon principal photography by Norbert Wu, with photos from other photographers, who are credited on their photographs and above. This Field Guide is intended to facilitate underwater/topside field identification from visual characters. Organisms were identified from photographs with no specimen collection, and there can be some uncertainty in identifications solely from photographs. © 1998+; text © Peter Brueggeman; photographs © Steve Alexander, Rod Budd/Antarctica New Zealand Pictorial Collection 159687 & 159713, 2001-2002, Peter Brueggeman, Kirsten Carlson/National Science Foundation, Canadian Museum of Nature (Kathleen Conlan), Shawn Harper, Luke Hunt, Henry Kaiser, Mike Lucibella/National Science Foundation, Adam G Marsh, Jim Mastro, Bruce A Miller, Eva
    [Show full text]
  • Metabolism of Gymnosomatous Pteropods in Waters of the Western Antarctic Peninsula Shelf During Austral Fall
    Vol. 518: 69–83, 2015 MARINE ECOLOGY PROGRESS SERIES Published January 7 doi: 10.3354/meps11050 Mar Ecol Prog Ser Metabolism of gymnosomatous pteropods in waters of the western Antarctic Peninsula shelf during austral fall Paul M. Suprenand1,2,*, Erica H. Ombres2, Joseph J. Torres2 1NMFS RTR Program, University of Florida, PO Box 110240, Gainesville, Florida 32611, USA 2College of Marine Science, University of South Florida, 140 7th Avenue South, St. Petersburg, Florida 33701, USA ABSTRACT: Two species of Southern Ocean gymnosomatous pteropods with dissimilar distribu- tional ranges were collected from western Antarctic Peninsula (WAP) shelf waters in the vicinity of Anvers, Lavoisier, Adelaide and Charcot Islands from March to April 2010 and between 0 and 500 m. The sub-Antarctic gymnosome species, Spongiobranchaea australis, typically occupies regions north of the Polar Front, whereas the true Antarctic gymnosome species, Clione antarc- tica, inhabits colder waters and higher latitudes. Oxygen consumption rates, ammonia excretion rates, proximate body compositions and the activities of 3 metabolic enzymes — lactate dehydro- genase, malate dehydrogenase, and citrate synthase (CS) — were determined in both gymnosome species. Oxygen consumption rates of S. australis and C. antarctica were found to be similar; how- ever, the mean ratio of oxygen consumed to ammonia excreted (O:N, 61.26 ± 18.68:1) indicated that S. australis was oxidizing primarily lipids while C. antarctica was oxidizing a mixture of proteins and lipids (26.41 ± 14.82:1). Proximate body compositions based on percent protein, per- cent lipid, and carbon to nitrogen ratios, suggested larger lipid storage in C. antarctica (~5%) than in S.
    [Show full text]
  • The Balkan Chamois! National Trust Ecofund and Is Realised in a Certifi Ed PAN Park- Rila
    The Lesson of the Forefathers Today we can only learn from our ancestors. For centuries, mountain dwellers – shepherds, cowherds, goatherds, loggers and the like – have satisfi ed their needs for food, animal hides and other basics from the numerous herds of grazing livestock. The domestica- ted goat is not just a lovable creature out of a fairy tale; for many centuries it has been a staple in every Bulgarian household. Its gifts are part of our daily life and lore to this day: milk, cheese, skins, goatskin rugs, topcoats, even mummers’ costumes. The Threat The best way to enjoy the trail and explore the beautiful In Bulgaria there are over 200,000 hectares of habitats wildlife is to put your trust in a trained mountain guide. suitable for chamois, allowing for a population of at least Ask your hosts or make an inquiry with the Directorate 20,000 animals. However, their total numbers for this of Rila National Park. country amount to staggering low numbers between Or simply swing by the Children’s Center for Balkan 1,700 and 2,300 specimens (according to 2005 data). Such Chamois that is in the process of being set up at the entry low population density is due to the main threat to the to the village of Gorno Draglishte, across the street from chamois: poaching. Despite an absolute and uncondi- Deshka House. tional ban on hunting in national parks, poaching is still a fact, reducing the size and distorting the structure of the population, disrupting herd life and driving the chamois away from suitable habitats.
    [Show full text]
  • A Novel Cylindrical Overlap-And-Fling Mechanism Used by Sea Butterflies
    1 A Novel Cylindrical Overlap-and-Fling Mechanism Used by Sea Butterflies 2 Ferhat Karakas1, Amy E. Maas2 and David W. Murphy1 3 1Department of Mechanical Engineering, University of South Florida, Tampa, FL 33620 4 2Bermuda Institute of Ocean Sciences, St. George’s GE01, Bermuda 5 6 Corresponding author contact: [email protected] 7 8 Abstract 9 The clap-and-fling mechanism is a well-studied, unsteady lift generation mechanism widely 10 used by flying insects and is considered obligatory for tiny insects flying at low to 11 intermediate Re. However, some aquatic zooplankters including some pteropod (i.e. sea 12 butterfly) and heteropod species swimming at low to intermediate Re also use the clap-and- 13 fling mechanism. These marine snails have extremely flexible, actively deformed, muscular 14 wings which they flap reciprocally to create propulsive force, and these wings may enable 15 novel lift generation mechanisms not available to insects, which have less flexible, passively 16 deformed wings. Using high-speed stereophotogrammetry and micro-particle image 17 velocimetry, we describe a novel cylindrical overlap-and-fling mechanism used by the 18 pteropod species Cuvierina atlantica. In this maneuver, the pteropod’s wingtips overlap at the 19 end of each half-stroke to sequentially form a downward-opening cone, a cylinder, and an 20 upward-opening cone. The transition from downward-opening cone to cylinder produces a 21 downward-directed jet at the trailing edges. Similarly, the transition from cylinder to upward- 22 opening cone produces downward flow into the gap between the wings, a leading edge vortex 23 ring, and a corresponding sharp increase in swimming speed.
    [Show full text]
  • Zooplankton Diel Vertical Migration During Antarctic Summer
    Deep–Sea Research I 162 (2020) 103324 Contents lists available at ScienceDirect Deep-Sea Research Part I journal homepage: http://www.elsevier.com/locate/dsri Zooplankton diel vertical migration during Antarctic summer John A. Conroy a,*, Deborah K. Steinberg a, Patricia S. Thibodeau a,1, Oscar Schofield b a Virginia Institute of Marine Science, William & Mary, Gloucester Point, VA, 23062, USA b Center for Ocean Observing Leadership, Department of Marine and Coastal Sciences, School of Environmental and Biological Sciences, Rutgers University, New Brunswick, NJ, 08901, USA ARTICLE INFO ABSTRACT Keywords: Zooplankton diel vertical migration (DVM) during summer in the polar oceans is presumed to be dampened due Southern Ocean to near continuous daylight. We analyzed zooplankton diel vertical distribution patterns in a wide range of taxa Mesopelagic zone along the Western Antarctic Peninsula (WAP) to assess if DVM occurs, and if so, what environmental controls Copepod modulate DVM in the austral summer. Zooplankton were collected during January and February in paired day- Krill night, depth-stratifiedtows through the mesopelagic zone along the WAP from 2009-2017, as well as in day and Salp Pteropod night epipelagic net tows from 1993-2017. The copepod Metridia gerlachei, salp Salpa thompsoni, pteropod Limacina helicina antarctica, and ostracods consistently conducted DVM between the mesopelagic and epipelagic zones. Migration distance for M. gerlachei and ostracods decreased as photoperiod increased from 17 to 22 h daylight. The copepods Calanoides acutus and Rhincalanus gigas, as well as euphausiids Thysanoessa macrura and Euphausia crystallorophias, conducted shallow (mostly within the epipelagic zone) DVMs into the upper 50 m at night.
    [Show full text]
  • Time-Calibrated Molecular Phylogeny of Pteropods
    RESEARCH ARTICLE Time-calibrated molecular phylogeny of pteropods Alice K. Burridge1,2☯, Christine HoÈ rnlein2,3, Arie W. Janssen1, Martin Hughes2,4, Stephanie L. Bush5,6, Ferdinand MarleÂtaz7, Rebeca Gasca8, Annelies C. Pierrot-Bults1,2, Ellinor Michel4, Jonathan A. Todd4, Jeremy R. Young9, Karen J. Osborn5,6, Steph B. J. Menken2, Katja T. C. A. Peijnenburg1,2☯* 1 Naturalis Biodiversity Center, Leiden, The Netherlands, 2 Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Amsterdam, The Netherlands, 3 Koninklijk Nederlands Instituut voor Onderzoek der Zee (NIOZ), Yerseke, The Netherlands, 4 Natural History Museum (NHM), Cromwell a1111111111 Road, London, United Kingdom, 5 Smithsonian Institution National Museum of Natural History, Washington a1111111111 DC, United States of America, 6 Monterey Bay Aquarium Research Institute (MBARI), Moss Landing, a1111111111 California, United States of America, 7 Molecular Genetics Unit, Okinawa Institute of Science and a1111111111 Technology, Onna-son, Japan, 8 El Colegio de la Frontera Sur (ECOSUR), Unidad Chetumal, Quintana Roo, a1111111111 Chetumal, Mexico, 9 Department of Earth Sciences, University College London, London, United Kingdom ☯ These authors contributed equally to this work. * [email protected], [email protected] OPEN ACCESS Abstract Citation: Burridge AK, HoÈrnlein C, Janssen AW, Hughes M, Bush SL, MarleÂtaz F, et al. (2017) Time- Pteropods are a widespread group of holoplanktonic gastropod molluscs and are uniquely calibrated molecular phylogeny of pteropods. PLoS suitable for study of long-term evolutionary processes in the open ocean because they are the ONE 12(6): e0177325. https://doi.org/10.1371/ journal.pone.0177325 only living metazoan plankton with a good fossil record.
    [Show full text]
  • Phylogenomic Analysis and Morphological Data Suggest Left-Right Swimming Behavior Evolved Prior to the Origin of the Pelagic Phylliroidae (Gastropoda: Nudibranchia)
    Phylogenomic analysis and morphological data suggest left-right swimming behavior evolved prior to the origin of the pelagic Phylliroidae (Gastropoda: Nudibranchia) Jessica A. Goodheart & Heike Wägele Organisms Diversity & Evolution ISSN 1439-6092 Org Divers Evol DOI 10.1007/s13127-020-00458-9 1 23 Your article is protected by copyright and all rights are held exclusively by Gesellschaft für Biologische Systematik. This e-offprint is for personal use only and shall not be self- archived in electronic repositories. If you wish to self-archive your article, please use the accepted manuscript version for posting on your own website. You may further deposit the accepted manuscript version in any repository, provided it is only made publicly available 12 months after official publication or later and provided acknowledgement is given to the original source of publication and a link is inserted to the published article on Springer's website. The link must be accompanied by the following text: "The final publication is available at link.springer.com”. 1 23 Author's personal copy Organisms Diversity & Evolution https://doi.org/10.1007/s13127-020-00458-9 ORIGINAL ARTICLE Phylogenomic analysis and morphological data suggest left-right swimming behavior evolved prior to the origin of the pelagic Phylliroidae (Gastropoda: Nudibranchia) Jessica A. Goodheart1 & Heike Wägele2 Received: 13 March 2020 /Accepted: 1 September 2020 # Gesellschaft für Biologische Systematik 2020 Abstract Evolutionary transitions from benthic to pelagic habitats are major adaptive shifts. Investigations into such shifts are critical for understanding the complex interaction between co-opting existing traits for new functions and novel traits that originate during or post-transition.
    [Show full text]
  • Feasibility Study Summary
    INTERREG IVC EPTA PROJECT FEASIBILITY STUDY FOR TRANSFER OF GOOD PRACTICES: BYCICLE SHARING SYSTEM CARPOOLING SYSTEM ASSIGNOR: MUNICIPALITY OF RAZLOG EXECUTOR: GEOCONSULT LTD. MARCH 2013 1 EPTA PROJECT – FEASABILITY STUDY BY Contents: 1. Introduction – study activities 2. Territorial and socio-demographic analysis 2.1. Territorial analysis 2.2. Socio-demographic analysis 2.3. Local population mobility 3. Shared bicycle system 3.1. Research of foreign experience 3.2. Territorial research. Bicycle potential of the municipality. 3.3. Research of the existing inter-settlement and intra-city bicycle routes and interconnectivity between bicycles and other modes of transport 3.4. Attitude survey of the local population on the shared bicycle system. Potential partners. 3.5. Legislation review 3.6. Economic feasibility, funding opportunities and project management. 3.7. Feasibility study conclusions. Road map. 4. Carpooling system 4.1. Nature of carpooling 4.2. Study of best foreign practices 4.3. Travel and mobility needs of the local population. Carpooling in Razlog. 4.4. Attitudes towards carpooling system 4.5. Legislation and regulations review 4.6. Carpooling system creation 4.7. Economic viability, budget, funding opportunities and system management 4.8. Conclusion 5. Public transport authority 5.1. General situation 5.2. Public active transport management body 5.3. Benefits of the active transport management NGO 6. Bibliography and appendixes 6.1. Information 6.2. List of appendixes 2 EPTA PROJECT – FEASABILITY STUDY BY Study team MANAGER: Angel Yanakiev, dipl. eng. PROJECT LEADER : Dr. Alexander Yanakiev TEAM MEMBERS: • Hristo Nikolov – urban planning • Dimitar Trifonov – urban planning • Nevena Germanova – sociology • Ilina Naidenova – architect • Bozidar Popov, dipl.eng.
    [Show full text]