Remarks on the Ural Spider Fauna (Arachnida: Aranei). 11. New Faunistic Records
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ARTHROPOD COMMUNITIES and PASSERINE DIET: EFFECTS of SHRUB EXPANSION in WESTERN ALASKA by Molly Tankersley Mcdermott, B.A./B.S
Arthropod communities and passerine diet: effects of shrub expansion in Western Alaska Item Type Thesis Authors McDermott, Molly Tankersley Download date 26/09/2021 06:13:39 Link to Item http://hdl.handle.net/11122/7893 ARTHROPOD COMMUNITIES AND PASSERINE DIET: EFFECTS OF SHRUB EXPANSION IN WESTERN ALASKA By Molly Tankersley McDermott, B.A./B.S. A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in Biological Sciences University of Alaska Fairbanks August 2017 APPROVED: Pat Doak, Committee Chair Greg Breed, Committee Member Colleen Handel, Committee Member Christa Mulder, Committee Member Kris Hundertmark, Chair Department o f Biology and Wildlife Paul Layer, Dean College o f Natural Science and Mathematics Michael Castellini, Dean of the Graduate School ABSTRACT Across the Arctic, taller woody shrubs, particularly willow (Salix spp.), birch (Betula spp.), and alder (Alnus spp.), have been expanding rapidly onto tundra. Changes in vegetation structure can alter the physical habitat structure, thermal environment, and food available to arthropods, which play an important role in the structure and functioning of Arctic ecosystems. Not only do they provide key ecosystem services such as pollination and nutrient cycling, they are an essential food source for migratory birds. In this study I examined the relationships between the abundance, diversity, and community composition of arthropods and the height and cover of several shrub species across a tundra-shrub gradient in northwestern Alaska. To characterize nestling diet of common passerines that occupy this gradient, I used next-generation sequencing of fecal matter. Willow cover was strongly and consistently associated with abundance and biomass of arthropods and significant shifts in arthropod community composition and diversity. -
Abundance and Community Composition of Arboreal Spiders: the Relative Importance of Habitat Structure
AN ABSTRACT OF THE THESIS OF Juraj Halaj for the degree of Doctor of Philosophy in Entomology presented on May 6, 1996. Title: Abundance and Community Composition of Arboreal Spiders: The Relative Importance of Habitat Structure. Prey Availability and Competition. Abstract approved: Redacted for Privacy _ John D. Lattin, Darrell W. Ross This work examined the importance of structural complexity of habitat, availability of prey, and competition with ants as factors influencing the abundance and community composition of arboreal spiders in western Oregon. In 1993, I compared the spider communities of several host-tree species which have different branch structure. I also assessed the importance of several habitat variables as predictors of spider abundance and diversity on and among individual tree species. The greatest abundance and species richness of spiders per 1-m-long branch tips were found on structurally more complex tree species, including Douglas-fir, Pseudotsuga menziesii (Mirbel) Franco and noble fir, Abies procera Rehder. Spider densities, species richness and diversity positively correlated with the amount of foliage, branch twigs and prey densities on individual tree species. The amount of branch twigs alone explained almost 70% of the variation in the total spider abundance across five tree species. In 1994, I experimentally tested the importance of needle density and branching complexity of Douglas-fir branches on the abundance and community structure of spiders and their potential prey organisms. This was accomplished by either removing needles, by thinning branches or by tying branches. Tying branches resulted in a significant increase in the abundance of spiders and their prey. Densities of spiders and their prey were reduced by removal of needles and thinning. -
Higher-Level Phylogenetics of Linyphiid Spiders (Araneae, Linyphiidae) Based on Morphological and Molecular Evidence
Cladistics Cladistics 25 (2009) 231–262 10.1111/j.1096-0031.2009.00249.x Higher-level phylogenetics of linyphiid spiders (Araneae, Linyphiidae) based on morphological and molecular evidence Miquel A. Arnedoa,*, Gustavo Hormigab and Nikolaj Scharff c aDepartament Biologia Animal, Universitat de Barcelona, Av. Diagonal 645, E-8028 Barcelona, Spain; bDepartment of Biological Sciences, The George Washington University, Washington, DC 20052, USA; cDepartment of Entomology, Natural History Museum of Denmark, Zoological Museum, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen, Denmark Accepted 19 November 2008 Abstract This study infers the higher-level cladistic relationships of linyphiid spiders from five genes (mitochondrial CO1, 16S; nuclear 28S, 18S, histone H3) and morphological data. In total, the character matrix includes 47 taxa: 35 linyphiids representing the currently used subfamilies of Linyphiidae (Stemonyphantinae, Mynogleninae, Erigoninae, and Linyphiinae (Micronetini plus Linyphiini)) and 12 outgroup species representing nine araneoid families (Pimoidae, Theridiidae, Nesticidae, Synotaxidae, Cyatholipidae, Mysmenidae, Theridiosomatidae, Tetragnathidae, and Araneidae). The morphological characters include those used in recent studies of linyphiid phylogenetics, covering both genitalic and somatic morphology. Different sequence alignments and analytical methods produce different cladistic hypotheses. Lack of congruence among different analyses is, in part, due to the shifting placement of Labulla, Pityohyphantes, -
Effects of Climate Change on Arctic Arthropod Assemblages and Distribution Phd Thesis
Effects of climate change on Arctic arthropod assemblages and distribution PhD thesis Rikke Reisner Hansen Academic advisors: Main supervisor Toke Thomas Høye and co-supervisor Signe Normand Submitted 29/08/2016 Data sheet Title: Effects of climate change on Arctic arthropod assemblages and distribution Author University: Aarhus University Publisher: Aarhus University – Denmark URL: www.au.dk Supervisors: Assessment committee: Arctic arthropods, climate change, community composition, distribution, diversity, life history traits, monitoring, species richness, spatial variation, temporal variation Date of publication: August 2016 Please cite as: Hansen, R. R. (2016) Effects of climate change on Arctic arthropod assemblages and distribution. PhD thesis, Aarhus University, Denmark, 144 pp. Keywords: Number of pages: 144 PREFACE………………………………………………………………………………………..5 LIST OF PAPERS……………………………………………………………………………….6 ACKNOWLEDGEMENTS……………………………………………………………………...7 SUMMARY……………………………………………………………………………………...8 RESUMÉ (Danish summary)…………………………………………………………………....9 SYNOPSIS……………………………………………………………………………………....10 Introduction……………………………………………………………………………………...10 Study sites and approaches……………………………………………………………………...11 Arctic arthropod community composition…………………………………………………….....13 Potential climate change effects on arthropod composition…………………………………….15 Arctic arthropod responses to climate change…………………………………………………..16 Future recommendations and perspectives……………………………………………………...20 References………………………………………………………………………………………..21 PAPER I: High spatial -
Spiders (Araneae) of Churchill, Manitoba: DNA Barcodes And
Blagoev et al. BMC Ecology 2013, 13:44 http://www.biomedcentral.com/1472-6785/13/44 RESEARCH ARTICLE Open Access Spiders (Araneae) of Churchill, Manitoba: DNA barcodes and morphology reveal high species diversity and new Canadian records Gergin A Blagoev1*, Nadya I Nikolova1, Crystal N Sobel1, Paul DN Hebert1,2 and Sarah J Adamowicz1,2 Abstract Background: Arctic ecosystems, especially those near transition zones, are expected to be strongly impacted by climate change. Because it is positioned on the ecotone between tundra and boreal forest, the Churchill area is a strategic locality for the analysis of shifts in faunal composition. This fact has motivated the effort to develop a comprehensive biodiversity inventory for the Churchill region by coupling DNA barcoding with morphological studies. The present study represents one element of this effort; it focuses on analysis of the spider fauna at Churchill. Results: 198 species were detected among 2704 spiders analyzed, tripling the count for the Churchill region. Estimates of overall diversity suggest that another 10–20 species await detection. Most species displayed little intraspecific sequence variation (maximum <1%) in the barcode region of the cytochrome c oxidase subunit I (COI) gene, but four species showed considerably higher values (maximum = 4.1-6.2%), suggesting cryptic species. All recognized species possessed a distinct haplotype array at COI with nearest-neighbour interspecific distances averaging 8.57%. Three species new to Canada were detected: Robertus lyrifer (Theridiidae), Baryphyma trifrons (Linyphiidae), and Satilatlas monticola (Linyphiidae). The first two species may represent human-mediated introductions linked to the port in Churchill, but the other species represents a range extension from the USA. -
DISCOVER URAL Ekaterinburg, 22 Vokzalnaya Irbit, 2 Proletarskaya Street Sysert, 51, Bykova St
Alapayevsk Kamyshlov Sysert Ski resort ‘Gora Belaya’ The history of Kamyshlov is an The only porcelain In winter ‘Gora Belaya’ becomes one of the best skiing Alapayevsk, one of the old town, interesting by works in the Urals, resort holidays in Russia – either in the quality of its ski oldest metallurgical its merchants’ houses, whose exclusive faience runs, the service quality or the variety of facilities on centres of the region, which are preserved until iconostases decorate offer. You can rent cross-country skis, you can skate or dozens of churches around where the most do snowtubing, you can visit a swimming-pool or do rope- honorable industrial nowadays. The main sight the world, is a most valid building of the Middle 26 of Kamyshlov is two-floored 35 reason to visit the town of 44 climbing park. In summer there is a range of active sports Urals stands today, is Pokrovsky cathedral Sysert. You can go to the to do – carting, bicycling and paintball. You can also take inseparably connected (1821), founded in honor works with an excursion and the lifter to the top of Belaya Mountain. with the names of many of victory over Napoleon’s try your hand at painting 180 km from Ekaterinburg, 1Р-352 Highway faience pieces. You can also extend your visit with memorial great people. The elegant Trinity Church was reconstructed army. Every august the jazz festival UralTerraJazz, one of the through the settlement of Uraletz by the direction by the renowned architect M.P. Malakhov, and its burial places of industrial history – the dam and the workshop 53 top-10 most popular open-air fests in Russia, takes place in sign ‘Gora Belaya’ + 7 (3435) 48-56-19, gorabelaya.ru vaults serve as a shelter for the Romanov Princes – the Kamyshlov. -
Koexistence a Rozdělení Niky U Pavouků Rodu Philodromus
Masarykova univerzita Přírodovědecká fakulta Ústav botaniky a zoologie Koexistence a rozdělení niky u pavouků rodu Philodromus Diplomová práce Autor: Radek Michalko Brno 2012 Vedoucí DP: doc. Mgr. Stano Pekár Ph.D. 1 Souhlasím s uloţením této diplomové práce v knihovně Ústavu botaniky a zoologie PřF MU v Brně, případně v jiné knihovně MU, s jejím veřejným půjčováním a vyuţitím pro vědecké, vzdělávací nebo jiné veřejně prospěšné účely, a to za předpokladu, ţe převzaté informace budou řádně citovány a nebudou vyuţívány komerčně. V Brně 8.1.2012 ………………………………… Podpis 2 PODĚKOVÁNÍ Zejména bych chtěl poděkovat vedoucímu mé diplomové práce panu docentu Stanu Pekárovi, ţe mi umoţnil pracovat na tomto tématu, za trpělivé vedení a uţitečné rady. Dále bych chtěl velice poděkovat mým rodičům, bez jejichţ osobní a finanční podpory by tato práce nevznikla. Rovněţ bych chtěl poděkovat Lence Sentenské, Evě Líznarové, Pavlovi Šebkovi a Stanovi Korenkovi za podporu a cenné rady všeho druhu. 3 ABSTRAKT Koexistence a rozdělení niky pavouků rodu Philodromus V této diplomové práci byl zkoumán mechanismus umoţňující koexistenci mezi Philodromus albidus, P. aureolus a P. cespitum. Studie probíhala na území významného krajinného prvku U Kříţe v Brně Starém Lískovci. Studované území se skládá ze třech typů biotopů: listnatý les, křoviny a monokultura švestek. Pavouci byli získáváni pomocí sklepávání. U zkoumaných druhů byly porovnávány různé dimenze niky. Prostorová nika byla zkoumána na základě mikro- aţ makrobiotopových preferencí. Trofická nika byla zkoumána na základě velikosti a typu přirozené kořisti a pomocí laboratorních experimentů potravních preferencí. Časová nika byla zkoumána na základě fenologie jednotlivých druhů. Studované druhy se lišily v prostorové a trofické nice. -
Systemic Criteria for the Evaluation of the Role of Monofunctional Towns in the Formation of Local Urban Agglomerations
ISSN 2007-9737 Systemic Criteria for the Evaluation of the Role of Monofunctional Towns in the Formation of Local Urban Agglomerations Pavel P. Makagonov1, Lyudmila V. Tokun2, Liliana Chanona Hernández3, Edith Adriana Jiménez Contreras4 1 Russian Presidential Academy of National Economy and Public Administration, Russia 2 State University of Management, Finance and Credit Department, Russia 3 Instituto Politécnico Nacional, Escuela Superior de Ingeniería Mecánica y Eléctrica, Mexico 4 Instituto Politécnico Nacional, Escuela Superior de Cómputo, Mexico [email protected], [email protected], [email protected] Abstract. There exist various federal and regional monotowns do not possess any distinguishing self- programs aimed at solving the problem of organization peculiarities in comparison to other monofunctional towns in the periods of economic small towns. stagnation and structural unemployment occurrence. Nevertheless, people living in such towns can find Keywords. Systemic analysis, labor migration, labor solutions to the existing problems with the help of self- market, agglomeration process criterion, self- organization including diurnal labor commuting migration organization of monotown population. to the nearest towns with a more stable economic situation. This accounts for the initial reason for agglomeration processes in regions with a large number 1 Introduction of monotowns. Experimental models of the rank distribution of towns in a system (region) and evolution In this paper, we discuss the problems of criteria of such systems from basic ones to agglomerations are explored in order to assess the monotown population using as an example several intensity of agglomeration processes in the systems of monotowns located in Siberia (Russia). In 2014 the towns in the Middle and Southern Urals (the Sverdlovsk Government of the Russian Federation issued two and Chelyabinsk regions of Russia). -
196 Arachnology (2019)18 (3), 196–212 a Revised Checklist of the Spiders of Great Britain Methods and Ireland Selection Criteria and Lists
196 Arachnology (2019)18 (3), 196–212 A revised checklist of the spiders of Great Britain Methods and Ireland Selection criteria and lists Alastair Lavery The checklist has two main sections; List A contains all Burach, Carnbo, species proved or suspected to be established and List B Kinross, KY13 0NX species recorded only in specific circumstances. email: [email protected] The criterion for inclusion in list A is evidence that self- sustaining populations of the species are established within Great Britain and Ireland. This is taken to include records Abstract from the same site over a number of years or from a number A revised checklist of spider species found in Great Britain and of sites. Species not recorded after 1919, one hundred years Ireland is presented together with their national distributions, before the publication of this list, are not included, though national and international conservation statuses and syn- this has not been applied strictly for Irish species because of onymies. The list allows users to access the sources most often substantially lower recording levels. used in studying spiders on the archipelago. The list does not differentiate between species naturally Keywords: Araneae • Europe occurring and those that have established with human assis- tance; in practice this can be very difficult to determine. Introduction List A: species established in natural or semi-natural A checklist can have multiple purposes. Its primary pur- habitats pose is to provide an up-to-date list of the species found in the geographical area and, as in this case, to major divisions The main species list, List A1, includes all species found within that area. -
The Mineral Indutry of Russia in 1998
THE MINERAL INDUSTRY OF RUSSIA By Richard M. Levine Russia extends over more than 75% of the territory of the According to the Minister of Natural Resources, Russia will former Soviet Union (FSU) and accordingly possesses a large not begin to replenish diminishing reserves until the period from percentage of the FSU’s mineral resources. Russia was a major 2003 to 2005, at the earliest. Although some positive trends mineral producer, accounting for a large percentage of the were appearing during the 1996-97 period, the financial crisis in FSU’s production of a range of mineral products, including 1998 set the geological sector back several years as the minimal aluminum, bauxite, cobalt, coal, diamonds, mica, natural gas, funding that had been available for exploration decreased nickel, oil, platinum-group metals, tin, and a host of other further. In 1998, 74% of all geologic prospecting was for oil metals, industrial minerals, and mineral fuels. Still, Russia was and gas (Interfax Mining and Metals Report, 1999n; Novikov significantly import-dependent on a number of mineral products, and Yastrzhembskiy, 1999). including alumina, bauxite, chromite, manganese, and titanium Lack of funding caused a deterioration of capital stock at and zirconium ores. The most significant regions of the country mining enterprises. At the majority of mining enterprises, there for metal mining were East Siberia (cobalt, copper, lead, nickel, was a sharp decrease in production indicators. As a result, in the columbium, platinum-group metals, tungsten, and zinc), the last 7 years more than 20 million metric tons (Mt) of capacity Kola Peninsula (cobalt, copper, nickel, columbium, rare-earth has been decommissioned at iron ore mining enterprises. -
Arthropods in Linear Elements
Arthropods in linear elements Occurrence, behaviour and conservation management Thesis committee Thesis supervisor: Prof. dr. Karlè V. Sýkora Professor of Ecological Construction and Management of Infrastructure Nature Conservation and Plant Ecology Group Wageningen University Thesis co‐supervisor: Dr. ir. André P. Schaffers Scientific researcher Nature Conservation and Plant Ecology Group Wageningen University Other members: Prof. dr. Dries Bonte Ghent University, Belgium Prof. dr. Hans Van Dyck Université catholique de Louvain, Belgium Prof. dr. Paul F.M. Opdam Wageningen University Prof. dr. Menno Schilthuizen University of Groningen This research was conducted under the auspices of SENSE (School for the Socio‐Economic and Natural Sciences of the Environment) Arthropods in linear elements Occurrence, behaviour and conservation management Jinze Noordijk Thesis submitted in partial fulfilment of the requirements for the degree of doctor at Wageningen University by the authority of the Rector Magnificus Prof. dr. M.J. Kropff, in the presence of the Thesis Committee appointed by the Doctorate Board to be defended in public on Tuesday 3 November 2009 at 1.30 PM in the Aula Noordijk J (2009) Arthropods in linear elements – occurrence, behaviour and conservation management Thesis, Wageningen University, Wageningen NL with references, with summaries in English and Dutch ISBN 978‐90‐8585‐492‐0 C’est une prairie au petit jour, quelque part sur la Terre. Caché sous cette prairie s’étend un monde démesuré, grand comme une planète. Les herbes folles s’y transforment en jungles impénétrables, les cailloux deviennent montagnes et le plus modeste trou d’eau prend les dimensions d’un océan. Nuridsany C & Pérennou M 1996. -
Subject of the Russian Federation)
How to use the Atlas The Atlas has two map sections The Main Section shows the location of Russia’s intact forest landscapes. The Thematic Section shows their tree species composition in two different ways. The legend is placed at the beginning of each set of maps. If you are looking for an area near a town or village Go to the Index on page 153 and find the alphabetical list of settlements by English name. The Cyrillic name is also given along with the map page number and coordinates (latitude and longitude) where it can be found. Capitals of regions and districts (raiony) are listed along with many other settlements, but only in the vicinity of intact forest landscapes. The reader should not expect to see a city like Moscow listed. Villages that are insufficiently known or very small are not listed and appear on the map only as nameless dots. If you are looking for an administrative region Go to the Index on page 185 and find the list of administrative regions. The numbers refer to the map on the inside back cover. Having found the region on this map, the reader will know which index map to use to search further. If you are looking for the big picture Go to the overview map on page 35. This map shows all of Russia’s Intact Forest Landscapes, along with the borders and Roman numerals of the five index maps. If you are looking for a certain part of Russia Find the appropriate index map. These show the borders of the detailed maps for different parts of the country.