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Articles 121 - 150 of 177
Full-Text Articles in Biodiversity
Helmintos Parásitos De Algunos Roedores (Mammalia: Rodentia) En San Miguel De Allende, Tepeapulco, Hidalgo, México, Griselda Pulido-Flores, Scott Monks, Jorge Falcón-Ordaz
Helmintos Parásitos De Algunos Roedores (Mammalia: Rodentia) En San Miguel De Allende, Tepeapulco, Hidalgo, México, Griselda Pulido-Flores, Scott Monks, Jorge Falcón-Ordaz
Estudios científicos en el estado de Hidalgo y zonas aledañas
Los helmintos son un componente de la biodiversidad, que proveen información sobre la historia natural de los hospederos, y de las relaciones tróficas. El conocimiento de la diversidad de roedores y sus parásitos en Hidalgo es escaso y puntual. Por la amplia distribución de los roedores, su adaptabilidad a los ambientes modificados y por el riesgo zoonótico que representan, es importante conocer la parasitofauna de estos hospederos. El objetivo del este trabajo fue registrar la helmintofauna de algunos roedores en San Miguel de Allende, Tepeapulco, Hidalgo, México. Entre agosto de 2005 y junio de 2007 se colectaron 19 roedores (12 …
Propagación In Vitro De Mammillaria Schiedeana Schiedeana (Cactaceae), Subespecie Endémica Y Amenazada De Extinción De La Barranca De Metztitlán, Hidalgo, Daniela Soria-Campos, Ana Laura López-Escamilla, Laura Patricia Olguín-Santos
Propagación In Vitro De Mammillaria Schiedeana Schiedeana (Cactaceae), Subespecie Endémica Y Amenazada De Extinción De La Barranca De Metztitlán, Hidalgo, Daniela Soria-Campos, Ana Laura López-Escamilla, Laura Patricia Olguín-Santos
Estudios científicos en el estado de Hidalgo y zonas aledañas
Se reporta por primera vez la micropropagación de la subespecie Mammillaria schiedeana schiedeana, cactácea mexicana considerada como amenazada de extinción por la Norma Oficial Mexicana. Se obtuvo la formación de brotes por activación areolar utilizando explantes longitudinales procedentes de brotes regenerados de un ciclo previo de cultivo y a partir de plántulas germinadas in vitro los cuales se sembraron en medio basal Murashige y Skoog (MS) suplementado con 6-bencilaminopurina (BA) y ácido α-naftalenacético (ANA) a diferentes concentraciones. La producción de brotes en el medio de proliferación se evaluó después de dos meses. La mejor concentración para la formación de …
Los Hongos Comestibles De La Región De Molango De Escamilla, Hidalgo, México, Miriam Jiménez-González, Leticia Romero-Bautista, Miguel Ángel Villavicencio-Nieto, Blanca Estela Pérez-Escandón
Los Hongos Comestibles De La Región De Molango De Escamilla, Hidalgo, México, Miriam Jiménez-González, Leticia Romero-Bautista, Miguel Ángel Villavicencio-Nieto, Blanca Estela Pérez-Escandón
Estudios científicos en el estado de Hidalgo y zonas aledañas
Se realizaron 28 salidas a la región de Molango de Escamilla entre los años 2004-2006, en la temporada de lluvias con el fin de obtener los cuerpos fructíferos de los hongos que son consumidos en la región, así como recopilar los nombres comunes e identificar las especies. Se aplicaron entrevistas estructuradas, semiestructuradas y abiertas. Se identificaron 19 especies y en este trabajo se describen 13. Las especies comestibles mayormente consumidas fueron Pleurotus djamor, Cantharellus odoratus, Armillaria tabescens, Polyporus alveolaris y Amanita tecomate. Se reporta por primera vez en la región el uso comestible de Russula cessans, Russula virescens, Russula aff. …
Rates And Controls Of Nitrification In A Large Oligotrophic Lake, Gaston E. Small, George S. Bullerjahn, Robert W. Sterner, Benjamin F.N. Beall, Sandra Brovold, Jacques C. Finlay, Robert M.L. Mckay, Maitreyee Mukherjee
Rates And Controls Of Nitrification In A Large Oligotrophic Lake, Gaston E. Small, George S. Bullerjahn, Robert W. Sterner, Benjamin F.N. Beall, Sandra Brovold, Jacques C. Finlay, Robert M.L. Mckay, Maitreyee Mukherjee
Great Lakes Institute for Environmental Research Publications
Recent discoveries have altered prevailing paradigms concerning the conditions under which nitrification takes place and the organisms responsible for nitrification in aquatic ecosystems. In Lake Superior, nitrate (NO-3) concentrations have increased fivefold in the past century. Although previous evidence indicated that most NO-3 is generated by nitrification within the lake, important questions remain concerning the magnitude and controls of nitrification, and which microbial groups are primarily responsible for this process. We measured water-column nitrification rates in the western basin of Lake Superior during five research cruises from November 2009 to March 2011. Using in situ bottle incubations at 10 depths, …
Wallace: The Review, And Wallace: The Preview, Charles H. Smith
Wallace: The Review, And Wallace: The Preview, Charles H. Smith
DLPS Faculty Publications
In this essay commemorating the one hundred year anniversary of his death, Alfred Russel Wallace (1823–1913) is remembered for his main contributions to biogeography, and pointed to as a possible source of inspiration for future work in that field. As one of the science’s “fathers,” Wallace established both methods for study and a long-lived geographical systemization of animal distribution patterns. His efforts, moreover, may yet have the potential to inspire further new studies in the subject.
Examining The Causes Of Rarity For The Odonata Of Illinois, Miranda R. White, Paul V. Switzer
Examining The Causes Of Rarity For The Odonata Of Illinois, Miranda R. White, Paul V. Switzer
Paul V. Switzer
Odonata (dragonflies and damselflies) play an important role in habitat management and conservation, but our understanding of the causes of commonness versus rarity in this group is limited. In this study we examined the causes of rarity for the Odonata of Illinois. Using S-ratings for conservation status and published habitat classifications for Illinois odonates, we investigated whether habitat type (lotic versus lentic) or habitat specificity (whether they were limited to a specific type of aquatic habitat) was related to commonness. We found that lotic species and habitat specialists were more likely to be rare than lentic and generalist species. More …
Maximizing A New Quantity In Sequential Reserve Selection, Adam W. Schapaugh, Andrew J. Tyre
Maximizing A New Quantity In Sequential Reserve Selection, Adam W. Schapaugh, Andrew J. Tyre
School of Natural Resources: Faculty Publications
The fundamental goal of conservation planning is biodiversity persistence, yet most reserve selection methods prioritize sites using occurrence data. Numerous empirical studies support the notion that defining and measuring objectives in terms of species richness (where the value of a site is equal to the number of species it contains, or contributes to an existing reserve network) can be inadequate for maintaining biodiversity in the long term. An existing site-assessment framework that implicitly maximized the persistence probability of multiple species was integrated with a dynamic optimization model. The problem of sequential reserve selection as a Markov decision process was combined …
Age Structure Of Moose (Alces Alces) Killed By Gray Wolves (Canis Lupus) In Northeastern Minnesota, 1967–2011, L. David Mech, Michael E. Nelson
Age Structure Of Moose (Alces Alces) Killed By Gray Wolves (Canis Lupus) In Northeastern Minnesota, 1967–2011, L. David Mech, Michael E. Nelson
USGS Northern Prairie Wildlife Research Center
The ages of 77 adult Moose (Alces alces) killed by gray Wolves (Canis lupus) during the period 1967–2011 in northeastern Minnesota were significantly older than those of a sample of 17 585 Moose killed by hunters in nearby Ontario. Our findings support those of earlier studies of protected Moose populations in national parks that found that gray Wolves tend to kill disproportionately more older Moose.
Agricultural Geo-Engineering; Past, Present & Future, Erich J. Knight Mr.
Agricultural Geo-Engineering; Past, Present & Future, Erich J. Knight Mr.
Erich J Knight Mr.
Historic hall marks of GHG emissions are reviewed, providing repeated demonstration of anthropogenic land use changes on climate forcing.
New Astrophysical and Paleoclimate concordance with extinction events demonstrating climate adaptation by prehistoric man.
A review of new research concerning Soil Carbon, Carboniferous Aerosols, extent of Pyrolytic-Carbon fraction in soil and the first survey of the extensive deep soil carbon sink.
How thermal conversion technologies can integrate and optimize the recycling of valuable nutrients while providing energy and building soil carbon.
New discoveries from the Advanced Spectrometry & Meta-Genomics studies in soil microbiology which demonstrate unaccounted for ecological services provided by …
Diversity Of Plants And Animals In Mountain Systems In Tajikistan, Victor Roy Squires Dr, Neymatalo Safarov Dr
Diversity Of Plants And Animals In Mountain Systems In Tajikistan, Victor Roy Squires Dr, Neymatalo Safarov Dr
Victor Roy Squires Dr
Tajikistan, a landlocked country, is one of the world's centers of origin of cultivated plants and has a special role in the conservation of mountain biodiversity. The richness of biodiversity shows up at the genetic, species, population, and ecosystem levels. There are many relic and endemic species, with most of the components of biodiversity vulnerable to anthropogenic factors. Close cooperation across borders will be required for conservation of unique and threatened ecosystems in the Central Asian region. Proximate threats such as poaching, overfishing, illegal logging and overgrazing are causing irreversible damage to biodiversity in the Tajikistan hotspot. Threats stem from …
Combating Deserttification In Asia, Africa And The Middle East, Victor Roy Squires Dr
Combating Deserttification In Asia, Africa And The Middle East, Victor Roy Squires Dr
Victor Roy Squires Dr
The fight against land degradation in terrestrial ecosystems forms one of the most complex challenges with regard to the various global environmental problems. It is most intensively linked to human life quality and to current living conditions in the poorer countries of the drier biomes on earth. The concept of the combat of desertification, as rooted in the charter of the United Nations Convention to combat Desertification and Drought (UNCCD), can also be transferred to a wider sustainability agenda for the more humid ecosystems where accelerated land degradation, loss of biodiversity and vulnerability to climate change are emerging issues of …
Do Direito Fundamental Ao Meio Ambiente Ecologicamente Equilibrado À Concepção Do Direito Do Meio Ambiente, Flávia Mg Pessoa, Pablo C. Barreto
Do Direito Fundamental Ao Meio Ambiente Ecologicamente Equilibrado À Concepção Do Direito Do Meio Ambiente, Flávia Mg Pessoa, Pablo C. Barreto
Flávia Moreira Guimarães Pessoa
This article discusses the various proposals for environmental ethics and how they influence the construction of a right of environment. Points to the evolution of conceptions of the fundamental [human] right to the environment until the right of the environment itself
Use Of Anecdotal Occurrence Data In Species Distribution Models: An Example Based On The White-Nosed Coati (Nasua Narica) In The American Southwest., Jennifer K. Frey, Jeremy C. Lewis, James S. Stuart, Rachel K. Guy
Use Of Anecdotal Occurrence Data In Species Distribution Models: An Example Based On The White-Nosed Coati (Nasua Narica) In The American Southwest., Jennifer K. Frey, Jeremy C. Lewis, James S. Stuart, Rachel K. Guy
Jennifer K. Frey
No abstract provided.
The Cost Of Useful Knowledge And Collective Action In Three Fisheries, James A. Wilson, James M. Acheson, Teresa Johnson
The Cost Of Useful Knowledge And Collective Action In Three Fisheries, James A. Wilson, James M. Acheson, Teresa Johnson
James Wilson
In a complex environment knowledge is valuable and its acquisition is costly; as a result people are careful about what to learn and how to learn it. We suggest that the dynamics of the “local” environment strongly influences the method that individuals choose to acquire useful knowledge and is one of the principal determinants of the way they compete and cooperate. We focus on theway different environments lead to different costs, especially the relative opportunity costs of search and communication and, consequently, to the emergence of different patterns of persistent cooperation and competition. In predictably regular and in predictably random …
Land Use And Vegetation Cover Dynamics In And Around Kagoma Forest Reserve In Tanzania, Nanjiva Nzunda, Pkt Munishi, Japhet Kashaigili, Geofrey Soka, Joel Monjare
Land Use And Vegetation Cover Dynamics In And Around Kagoma Forest Reserve In Tanzania, Nanjiva Nzunda, Pkt Munishi, Japhet Kashaigili, Geofrey Soka, Joel Monjare
Geofrey Soka
No abstract provided.
The Influence Of Different Cover Types On American Robin Nest Success In Organic Agroecosystems, John E. Quinn, Amy Oden, James R. Brandle
The Influence Of Different Cover Types On American Robin Nest Success In Organic Agroecosystems, John E. Quinn, Amy Oden, James R. Brandle
Biology Publications
There are many opportunities for biodiversity conservation in organic farm systems. Successful and sustainable conservation efforts in organic systems, however, need to measure appropriate outcomes. In particular, data are needed on the breeding success of associated wildlife species. We measured nesting success of the American Robin (Turdus migratorius) in woodlands embedded within eight organic farms in eastern Nebraska. We modeled daily nest survival rate to identify land use and land cover patterns that optimize conservation of birds in organic farm systems. The percentage of a crop in the fields adjacent to linear woodlands best predicted daily survival rate. …
Bacteriostatic Effects Of Sucralose On Environmental Bacteria, Arthur Phillip Omran Jr.
Bacteriostatic Effects Of Sucralose On Environmental Bacteria, Arthur Phillip Omran Jr.
UNF Graduate Theses and Dissertations
Sucralose is a zero calorie sweetener developed and manufactured by Tate and Lyle Sweetener Company in the 1980’s. They sell the sweetener compounded with maltodextrin and dextrose under the brand name Splenda®. Sucralose was developed as a low cost artificial sweetener that is non-metabolizable in humans and can withstand changes in pH and temperature. It is not degraded by the waste water treatment process. Since the molecule can withstand heat, acidification and microbial degradation it is accumulating in the environment, and has been found in waste water, estuaries, rivers and the Gulf Stream. The highest concentration of environmental sucralose detected …
A World Review Of Fungi, Yeasts, And Slime Molds In Caves, Karen J. Vanderwolf, David Malloch, Donald F. Mcalpine, Graham J. Forbes
A World Review Of Fungi, Yeasts, And Slime Molds In Caves, Karen J. Vanderwolf, David Malloch, Donald F. Mcalpine, Graham J. Forbes
International Journal of Speleology
We provide a review of fungi, yeasts, and slime molds that have been found in natural solution caves and mines worldwide. Such habitats provide frequent roost sites for bats, and in eastern North America the environmental conditions that support white-nose syndrome, a lethal fungal disease currently devastating bat populations. A list of 1029 species of fungi, slime moulds, and yeasts in 518 genera have been documented from caves and mines worldwide in 225 articles. Ascomycota dominate the cave environment. Most research has been conducted in temperate climates, especially in Europe. A mean of 17.9±24.4SD fungal species are reported per study. …
Diversity And Biosynthetic Potential Of Culturable Aerobic Heterotrophic Bacteria Isolated From Magura Cave, Bulgaria, Iva Tomova, Irina Lazarkevich, Anna Tomova, Margarita Kambourova, Evgenia Vasileva-Tonkova
Diversity And Biosynthetic Potential Of Culturable Aerobic Heterotrophic Bacteria Isolated From Magura Cave, Bulgaria, Iva Tomova, Irina Lazarkevich, Anna Tomova, Margarita Kambourova, Evgenia Vasileva-Tonkova
International Journal of Speleology
Biocapacity of bacteria inhabiting karstic caves to produce valuable biologically active compounds is still slightly investigated. A total of 46 culturable heterotrophic bacteria were isolated under aerobic conditions from the Gallery with pre-historical drawings in MaguraCave, Bulgaria. Phylogenetic analysis revealed that most of bacterial isolates affiliated with Proteobacteria (63%), followed by Actinobacteria (10.9%), Bacteroidetes (10.9%), and Firmicutes (6.5%). A strong domination of Gram-negative bacteria (total 81%) belonging to nine genera: Serratia, Pseudomonas, Enterobacter, Sphingobacterium, Stenotrophomonas, Commamonas, Acinetobacter, Obesumbacterium, and Myroides, was observed. Gram-positive isolates were represented by the genera Bacillus, Arthrobacter, and Micrococcus. One isolate …
Cure From The Cave: Volcanic Cave Actinomycetes And Their Potential In Drug Discovery, Naowarat (Ann) Cheeptham Dr., Tara Sadoway, Devon Rule, Kent Watson, Paul Moote, Laiel C. Soliman, Nicholas Azad, Kingsley Donkor, Derrick Horne
Cure From The Cave: Volcanic Cave Actinomycetes And Their Potential In Drug Discovery, Naowarat (Ann) Cheeptham Dr., Tara Sadoway, Devon Rule, Kent Watson, Paul Moote, Laiel C. Soliman, Nicholas Azad, Kingsley Donkor, Derrick Horne
International Journal of Speleology
Volcanic caves have been little studied for their potential as sources of novel microbial species and bioactive compounds with new scaffolds. We present the first study of volcanic cave microbiology from Canada and suggest that this habitat has great potential for the isolation of novel bioactive substances. Sample locations were plot ted on a contour map that was compiled in ArcView 3.2. Over 400 bacterial isolates were obtained from the Helmcken Falls cave in Wells Gray Provincial Park, British Columbia. From our preliminary screen, of 400 isolates tested, 1% showed activity against extended spectrum ß-lactamase E. coli, 1.75% against Escherichia …
Examining The Causes Of Rarity For The Odonata Of Illinois, Miranda R. White, Paul V. Switzer
Examining The Causes Of Rarity For The Odonata Of Illinois, Miranda R. White, Paul V. Switzer
Faculty Research & Creative Activity
Odonata (dragonflies and damselflies) play an important role in habitat management and conservation, but our understanding of the causes of commonness versus rarity in this group is limited. In this study we examined the causes of rarity for the Odonata of Illinois. Using S-ratings for conservation status and published habitat classifications for Illinois odonates, we investigated whether habitat type (lotic versus lentic) or habitat specificity (whether they were limited to a specific type of aquatic habitat) was related to commonness. We found that lotic species and habitat specialists were more likely to be rare than lentic and generalist species. More …
Examining The Causes Of Rarity For The Odonata Of Illinois, Miranda White, Paul Switzer
Examining The Causes Of Rarity For The Odonata Of Illinois, Miranda White, Paul Switzer
Faculty Research & Creative Activity
Odonata (dragonflies and damselflies) play an important role in habitat management and conservation, but our understanding of the causes of commonness versus rarity in this group is limited. In this study we examined the causes of rarity for the Odonata of Illinois. Using S-ratings for conservation status and published habitat classifications for Illinois odonates, we investigated whether habitat type (lotic versus lentic) or habitat specificity (whether they were limited to a specific type of aquatic habitat) was related to commonness. We found that lotic species and habitat specialists were more likely to be rare than lentic and generalist species. More …
Identification Of The Rainbowfish In Lake Eacham Using Dna Sequencing, Culum Brown, Yagiz Aksoy, Hilal Varinli, Michael Gillings
Identification Of The Rainbowfish In Lake Eacham Using Dna Sequencing, Culum Brown, Yagiz Aksoy, Hilal Varinli, Michael Gillings
Veterinary Science and Medicine Collection
The Lake Eacham rainbowfish (Melanotaenia eachamensis) was once thought to be confined to its type locality within the Lake Eacham World Heritage National Park. M. eachamensis disappeared from the lake following the translocation of several species into the lake and the species was pronounced extinct in the wild in 1987. In a 2007 survey we noticed that rainbowfish were present in the lake once again. We used a molecular marker to identify these fish and the likely source population. Analysis of the D-loop region of mitochondrial DNA revealed that the species now present in the lake is Melanotaenia splendida, and …
Genetic Diversity In The Modern Horse Illustrated From Genome-Wide Snp Data, Jessica Lynn Petersen, James R. Mickelson, E. Gus Cothran, Lisa S. Andersson, Jeanette Axelsson, Ernie Bailey, Danika L. Bannasch, Matthew M. Binns, Alexandre S. Borges, Pieter Brama, Artur Da Câmaro Machado, Ottmar Distl, Michela Felicetti, Laura Fox-Clipsham, Kathryn T. Graves, Gérard Guérin, Bianca Haase, Telhisa Hasegawa, Karin Hemmann, Emmeline W. Hill, Tosso Leeb, Gabriella Lindgren, Hannes Lohi, Maria Susana Lopes, Beatrice A. Mcgivney, Sofia Mikko, Nicholas Orr, M. Cecilia T. Penedo, Richard J. Piercy, Marja Raekallio, Stefan Rieder, Knut H. Røed, Maurizio Silvestrelli, June Swinburne, Teruaki Tozaki, Mark Vaudin, Claire M. Wade, Molly E. Mccue
Genetic Diversity In The Modern Horse Illustrated From Genome-Wide Snp Data, Jessica Lynn Petersen, James R. Mickelson, E. Gus Cothran, Lisa S. Andersson, Jeanette Axelsson, Ernie Bailey, Danika L. Bannasch, Matthew M. Binns, Alexandre S. Borges, Pieter Brama, Artur Da Câmaro Machado, Ottmar Distl, Michela Felicetti, Laura Fox-Clipsham, Kathryn T. Graves, Gérard Guérin, Bianca Haase, Telhisa Hasegawa, Karin Hemmann, Emmeline W. Hill, Tosso Leeb, Gabriella Lindgren, Hannes Lohi, Maria Susana Lopes, Beatrice A. Mcgivney, Sofia Mikko, Nicholas Orr, M. Cecilia T. Penedo, Richard J. Piercy, Marja Raekallio, Stefan Rieder, Knut H. Røed, Maurizio Silvestrelli, June Swinburne, Teruaki Tozaki, Mark Vaudin, Claire M. Wade, Molly E. Mccue
Department of Animal Science: Faculty Publications
Horses were domesticated from the Eurasian steppes 5,000–6,000 years ago. Since then, the use of horses for transportation, warfare, and agriculture, as well as selection for desired traits and fitness, has resulted in diverse populations distributed across the world, many of which have become or are in the process of becoming formally organized into closed, breeding populations (breeds). This report describes the use of a genome-wide set of autosomal SNPs and 814 horses from 36 breeds to provide the first detailed description of equine breed diversity. FST calculations, parsimony, and distance analysis demonstrated relationships among the breeds that largely …
Methylmercury Exposure Affects Risk-Taking Behaviors In Zebra Finches: Tradeoffs Between Eating And Being Eaten, Megan Elizabeth Kobiela
Methylmercury Exposure Affects Risk-Taking Behaviors In Zebra Finches: Tradeoffs Between Eating And Being Eaten, Megan Elizabeth Kobiela
Dissertations, Theses, and Masters Projects
No abstract provided.
Biodiversity Heritage Library, Smithsonian Institution Libraries, Deanna Marcum
Biodiversity Heritage Library, Smithsonian Institution Libraries, Deanna Marcum
Copyright, Fair Use, Scholarly Communication, etc.
The Biodiversity Heritage Library (BHL), created in 2006, is the result of a collaboration of ten natural history museum and botanical garden libraries seeking to digitize core taxonomic literature and to make it free and openly available throughout the world. Today, the BHL includes fifteen member institutions whose efforts have shaped a collection of over 60,000 titles. It is supported through a combination of membership dues, in-kind support from member institutions, contributions from the user community, and direct support from the Smithsonian Institution Libraries, and it reaches tens of thousands of users each year. While managing the complex partnership has …
La Serreta Endokarst (Se Spain): A Sustainable Value?, Antonia D. Asencio, Teodoro Espinosa
La Serreta Endokarst (Se Spain): A Sustainable Value?, Antonia D. Asencio, Teodoro Espinosa
International Journal of Speleology
La Serreta endokarst (SE Spain), which UNESCO declared a World Heritage Site in 1998, was considered a sanctuary with cave art and one of the most important archaeological sites in the Mediterranean region for both the remains it hosts and the spectacular karstic landscape at the site.
To coincide with the 40th anniversary of its discovery, the La Serreta cave-chasm was adapted for public use with the intention of showing visitors the remains, which date back to prehistoric times. The solution included attempts to minimize contact with the valuables in the cave in order to alter the existing remains as …
Biotic Acceptance In Introduced Amphibians And Reptiles In Europe And North America, Karen H. Beard
Biotic Acceptance In Introduced Amphibians And Reptiles In Europe And North America, Karen H. Beard
Karen H. Beard
Aim: The biotic resistance hypothesis argues that complex plant and animal communities are more resistant to invasion than simpler communities. Conversely, the biotic acceptance hypothesis states that non-native and native species richness are positively related. Most tests of these hypotheses at continental scales, typically conducted on plants, have found support for biotic acceptance. We tested these hypotheses on both amphibians and reptiles across Europe and North America. Location: Continental countries in Europe and states/provinces in North America. Methods: We used multiple linear regression models to determine which factors predicted successful establishment of amphibians and reptiles in Europe and North America, …
Ancyronyx Erichson, 1847 (Coleoptera, Elmidae) From Mindoro, Philippines, With Description Of The Larvae And Two New Species Using Dna Sequences For The Assignment Of The Developmental Stages, Hendrik Freitag
Biology Faculty Publications
Ancyronyx buhid sp. n. and Ancyronyx tamaraw sp. n. are described based on adults and larvae, matched using their cox1 or cob DNA sequence data. Additional records of Ancyronyx schillhammeri Jäch, 1994 and Ancyronyx minerva Freitag & Jäch, 2007 from Mindoro are listed. The previously unknown larva of Ancyronyx schillhammeri is also described here, aided by cox1 data. The new species and larval stages are described in detail and illustrated by SEM and stacked microscopic images. Keys to the adult and larval Ancyronyx species of Mindoro and an updated checklist of Philippine Ancyronyx species are provided. The usefulness as bioindicators, …
Hydraena (Hydraenopsis) Ateneo, New Species (Coleoptera, Hydraenidae) And Other Aquatic Polyphaga From A Small Habitat Patch In A Highly Urbanized Landscape Of Metro Manila, Philippines, Hendrik Freitag
Biology Faculty Publications
Seven species of Hydraenidae, Hydrophilidae and Elmidae are recorded from temporary freshwater habitats at the Ateneo de Manila University Campus in the metropolitan area of Manila, Philippines. They were identified as Enochrus (Lumetus) fragiloides d’Orchymont, Helochares (Hydrobaticus) lepidus d’Orchymont, Helochares (Helochares) pallens (MacLeay), Hydraena (Hydraenopsis) scabra d’Orchymont, Hydraena (Hydraenopsis) palawanensis Freitag & Jäch (new record for Luzon Island), Stenelmis sp. A further hydraenid species was unknown to science and is newly described: Hydraena (Hydraenopsis) ateneo Freitag, sp. n. Aedeagus, gonocoxite, spermatheca, and female tergite X are illustrated by …