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https://www.readbyqxmd.com/read/28445499/fine-scale-population-genetic-structure-of-the-bengal-tiger-panthera-tigris-tigris-in-a-human-dominated-western-terai-arc-landscape-india
#1
Sujeet Kumar Singh, Jouni Aspi, Laura Kvist, Reeta Sharma, Puneet Pandey, Sudhanshu Mishra, Randeep Singh, Manoj Agrawal, Surendra Prakash Goyal
Despite massive global conservation strategies, tiger populations continued to decline until recently, mainly due to habitat loss, human-animal conflicts, and poaching. These factors are known to affect the genetic characteristics of tiger populations and decrease local effective population sizes. The Terai Arc Landscape (TAL) at the foothills of the Himalaya is one of the 42 source sites of tigers around the globe. Therefore, information on how landscape features and anthropogenic factors affect the fine-scale spatial genetic structure and variation of tigers in TAL is needed to develop proper management strategies for achieving long-term conservation goals...
2017: PloS One
https://www.readbyqxmd.com/read/28414723/prevalence-and-determinants-of-stereotypic-behaviours-and-physiological-stress-among-tigers-and-leopards-in-indian-zoos
#2
Janice Vaz, Edward J Narayan, R Dileep Kumar, K Thenmozhi, Krishnamoorthy Thiyagesan, Nagarajan Baskaran
India's charismatic wildlife species are facing immense pressure from anthropogenic-induced environmental perturbations. Zoos play a major role in the conservation of threatened species, but their adaptation in captivity is posing a major challenge globally. Stress from inadequate adaptation could lead to suppression of cognitive functioning and increased display of stereotypic behaviour. It is thus necessary to measure biological traits like behaviour, stress physiology, and contextual factors driving the animals maintained at zoos...
2017: PloS One
https://www.readbyqxmd.com/read/28387333/elemental-classification-of-the-tusks-of-dugong-dugong-dugong-by-hh-xrf-analysis-and-comparison-with-other-species
#3
Korakot Nganvongpanit, Kittisak Buddhachat, Promporn Piboon, Thippaporn Euppayo, Patcharaporn Kaewmong, Phaothep Cherdsukjai, Kongkiat Kittiwatanawong, Chatchote Thitaram
The elemental composition was investigated and applied for identifying the sex and habitat of dugongs, in addition to distinguishing dugong tusks and teeth from other animal wildlife materials such as Asian elephant (Elephas maximus) tusks and tiger (Panthera tigris tigris) canine teeth. A total of 43 dugong tusks, 60 dugong teeth, 40 dolphin teeth, 1 whale tooth, 40 Asian elephant tusks and 20 tiger canine teeth were included in the study. Elemental analyses were conducted using a handheld X-ray fluorescence analyzer (HH-XRF)...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28379997/wild-versus-domestic-prey-in-the-diet-of-reintroduced-tigers-panthera-tigris-in-the-livestock-dominated-multiple-use-forests-of-panna-tiger-reserve-india
#4
S S Kolipaka, W L M Tamis, M van 't Zelfde, G A Persoon, H H de Iongh
Grazing livestock in openly accessible areas is a common practice in the multiple-use forests of India; however, its compatibility with the reintroduction of tigers to these areas requires examination. Here, we investigated the diet of tigers in a livestock-dominated multiple-use buffer zone of the Panna Tiger Reserve, India. We hypothesised that the presence of feral cattle, along with open-access grazing practices in multiple-use forests, would increase the incidence of predation on livestock by tigers, even when wild prey are available...
2017: PloS One
https://www.readbyqxmd.com/read/28340564/erratum-to-schrodinger-s-scat-a-critical-review-of-the-currently-available-tiger-panthera-tigris-and-leopard-panthera-pardus-specific-primers-in-india-and-a-novel-leopard-specific-primer
#5
Pranay Amruth Maroju, Sonu Yadav, Vishnupriya Kolipakam, Shweta Singh, Qamar Qureshi, Yadvendradev Jhala
No abstract text is available yet for this article.
March 24, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28328924/scientific-crowdsourcing-in-wildlife-research-and-conservation-tigers-panthera-tigris-as-a-case-study
#6
Özgün Emre Can, Neil D'Cruze, Margaret Balaskas, David W Macdonald
With around 3,200 tigers (Panthera tigris) left in the wild, the governments of 13 tiger range countries recently declared that there is a need for innovation to aid tiger research and conservation. In response to this call, we created the "Think for Tigers" study to explore whether crowdsourcing has the potential to innovate the way researchers and practitioners monitor tigers in the wild. The study demonstrated that the benefits of crowdsourcing are not restricted only to harnessing the time, labor, and funds from the public but can also be used as a tool to harness creative thinking that can contribute to development of new research tools and approaches...
March 2017: PLoS Biology
https://www.readbyqxmd.com/read/28280790/environmental-assessment-of-al-hammar-marsh-southern-iraq
#7
Hind Fadhil Abdullah Al-Gburi, Balsam Salim Al-Tawash, Hadi Salim Al-Lafta
AIM: (a) To determine the spatial distributions and levels of major and minor elements, as well as heavy metals, in water, sediment, and biota (plant and fish) in Al-Hammar Marsh, southern Iraq, and ultimately to supply more comprehensive information for policy-makers to manage the contaminants input into the marsh so that their concentrations do not reach toxic levels. (b) to characterize the seasonal changes in the marsh surface water quality. (c) to address the potential environmental risk of these elements by comparison with the historical levels and global quality guidelines (i...
February 2017: Heliyon
https://www.readbyqxmd.com/read/28268087/longer-term-oral-antiplatelet-use-in-stable-post-myocardial-infarction-patients-insights-from-the-long-term-risk-clinical-management-and-healthcare-resource-utilization-of-stable-coronary-artery-disease-tigris-observational-study
#8
Shaun G Goodman, Jose C Nicolau, Gema Requena, Andrew Maguire, Stefan Blankenberg, Ji Yan Chen, Christopher B Granger, Richard Grieve, Stuart J Pocock, Tabassome Simon, Satoshi Yasuda, Ana Maria Vega, David Brieger
OBJECTIVE: To describe contemporary patient characteristics and treatment patterns, including antithrombotic management, of post-myocardial infarction (MI) stable coronary artery disease (CAD) patients at high atherothrombotic risk from different geographical regions. METHODS: Patients ≥50years with prior MI 1-3years ago and ≥1 risk factor (age ≥65years, diabetes, 2nd prior MI >1yr ago, multivessel CAD, creatinine clearance 15-<60ml/min) were enrolled by 369 physicians (96% cardiologists) in 25 countries (2013-14) in the prospective TIGRIS study (NCT01866904)...
June 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28264326/molecular-phylogeny-of-the-tribe-torini-karaman-1971-actinopterygii-cypriniformes-from-the-middle-east-and-north-africa
#9
Kai Borkenhagen
Freshwater fishes of the cyprinid tribe Torini are widespread in Africa the Middle East and Indomalaya. The relationships of Middle-Eastern Torini are analysed based on mitochondrial markers (Cyt b, ND4) of the majority of relevant species. I present a larely well resolved phylogeny, which confirms the validity of the morphologically defined genera Arabibarbus, Carasobarbus, Mesopotamichthys and Pterocapoeta. The Torini originated in Indomalaya and colonised Africa via the Middle East. Morocco was colonised two times independently, first from sub-Saharan Africa and secondly along the southern margin of the Mediterranean Sea...
February 22, 2017: Zootaxa
https://www.readbyqxmd.com/read/28264268/two-new-species-of-i-oxynoemacheilus-i-from-the-tigris-drainage-in-iraqi-kurdistan-teleostei-nemacheilidae
#10
Jörg Freyhof, Younis Sabir Abdullah
Two new species of Oxynoemacheilus are described from the Sirvan River drainage in Iraqi Kurdistan. Oxynoemacheilus gyndes, new species, is distinguished by having a very short lateral line, reaching behind the pectoral-fin base, no scales except on the posteriormost part of the caudal peduncle, a slightly emarginate caudal fin and no suborbital groove in males. Oxynoemacheilus hanae, new species, is distinguished by having a midlateral row of elongated blotches, isolated patches of dark-brown spots or blotches on lower flank, a deeply emarginate caudal fin and a suborbital groove in males...
March 2, 2017: Zootaxa
https://www.readbyqxmd.com/read/28222987/french-multicenter-experience-with-the-gore-tigris-vascular-stent-in-superficial-femoral-and-popliteal-arteries
#11
Maxime Sibé, Adrien Kaladji, Claire Boirat, Alain Cardon, Xavier Chaufour, Jean-Pierre Bossavy, Bertrand Saint-Lebes
BACKGROUND: Preliminary results in small single-center studies after stenting with the GORE TIGRIS Vascular Stent (W. L. Gore & Associates, Flagstaff, Ariz) show promising short-term primary patency rates, but larger, multicenter studies are needed. This study therefore investigated the performance of the GORE TIGRIS Vascular Stent at three different centers in France in patients with symptomatic peripheral artery disease. METHODS: This retrospective, single-arm, multicenter cohort study included 215 patients with peripheral artery disease (Rutherford-Becker category 2-6) who were treated with the GORE TIGRIS Vascular Stent, a dual-component stent consisting of a nitinol wire frame combined with a fluoropolymer-interconnecting structure...
May 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28210544/cataracts-and-strabismus-associated-with-hand-rearing-using-artificial-milk-formulas-in-bengal-tiger-panthera-tigris-spp-tigris-cubs
#12
Rogério Ribas Lange, Leandro Lima, Erika Frühvald, Vera Sônia Nunes da Silva, Aparecida Sônia de Souza, Fabiano Montiani-Ferreira
The aim of this investigation is to describe the potential contributing nutritional factors involved in the development of ophthalmic and dermatologic changes in four Bengal tiger (Panthera tigris spp tigris) cubs fed an artificial milk formula. The affected animals were compared with two other tiger cubs that had been nursed by their dam naturally. After the first clinical signs appeared, the tiger cubs underwent ophthalmic evaluation. Severe symmetric generalized alopecia over the trunk, sparing the head and distal portion of the front and rear limbs, bilateral cataracts and strabismus were noticed...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28179511/spatio-temporal-interactions-facilitate-large-carnivore-sympatry-across-a-resource-gradient
#13
K Ullas Karanth, Arjun Srivathsa, Divya Vasudev, Mahi Puri, Ravishankar Parameshwaran, N Samba Kumar
Species within a guild vary their use of time, space and resources, thereby enabling sympatry. As intra-guild competition intensifies, such behavioural adaptations may become prominent. We assessed mechanisms of facilitating sympatry among dhole (Cuon alpinus), leopard (Panthera pardus) and tiger (Panthera tigris) in tropical forests of India using camera-trap surveys. We examined population-level temporal, spatial and spatio-temporal segregation among them across four reserves representing a gradient of carnivore and prey densities...
February 8, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28058613/spatial-and-temporal-patterns-of-precipitation-and-stream-flow-variations-in-tigris-euphrates-river-basin
#14
Prasad Daggupati, Raghavan Srinivasan, Mehdi Ahmadi, Deepa Verma
Tigris and Euphrates river basin (TERB) is one of the largest river basins in the Middle East, and the precipitation (in the form of snowfall) is a major source of streamflow. This study investigates the spatial and temporal variability of precipitation and streamflow in TERB to better understand the hydroclimatic variables and how they varied over time. The precipitation shows a decreasing trend with 1980s being wetter and 2000s being drier. A total of 55 and 40% reduction in high flows in Tigris and Euphrates rivers at T20 and E3 was seen in post-reservoir period...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28012653/reconstructing-the-historical-water-regime-of-the-contributing-basins-to-the-hawizeh-marsh-implications-of-water-control-structures
#15
Prasad Daggupati, Raghavan Srinivasan, Yihun Taddele Dile, Deepa Verma
The Hawizeh marsh, a unique wetland which is part of the Mesopotamian marshes, is recognized as a wetland of international importance. The marsh has been shrinking and there has been little research into its degradation. This study aims to reconstruct historical water regimes in the contributing basins (Tigris and Karkheh river Basins, TKRB) to investigate factors that have affected the wellbeing of the marsh. The Soil and Water Assessment Tool (SWAT) was used for this study. The model was calibrated and validated using nine river gauging stations...
February 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27925009/characteristics-and-fertility-of-sumatran-tiger-spermatozoa-cryopreserved-with-different-sugars
#16
Ni Wayan Kurniani Karja, Mokhamad Fahrudin, Mohamad Agus Setiadi, Ligaya Ita Tumbelaka, Retno Sudarwati, Yohana Tri Hastuti, Bongot Huas Mulia, Ardyta Widianti, Keni Sultan, Tsukasa Terazono, Zhao Namula, Masayasu Taniguchi, Fuminori Tanihara, Tatsuya Takemoto, Kazuhiro Kikuchi, Yoko Sato, Takeshige Otoi
BACKGROUND: Cryopreservation of semen is one of the most important methods for the preservation of endangered tigers. OBJECTIVE: This study evaluated the effects of sugar supplementation on the cryosurvival of spermatozoa from Sumatran tigers (Panthera tigris sumatrae). MATERIALS AND METHODS: The post-thaw characteristics and fertility of spermatozoa cryopreserved with different sugars (glucose, lactose, and trehalose) were evaluated using heterologous in-vitro fertilisation with cat oocytes...
July 2016: Cryo Letters
https://www.readbyqxmd.com/read/27922128/space-geodetic-monitoring-of-engineered-structures-the-ongoing-destabilization-of-the-mosul-dam-iraq
#17
Pietro Milillo, Roland Bürgmann, Paul Lundgren, Jacqueline Salzer, Daniele Perissin, Eric Fielding, Filippo Biondi, Giovanni Milillo
We present a detailed survey of the ongoing destabilization process of the Mosul dam. The dam is located on the Tigris river and is the biggest hydraulic structure in Iraq. From a geological point of view the dam foundation is poor due to a site geology formed by alternating strata of highly soluble materials including gypsum, anhydrite, marl and limestone. Here we present the first multi-sensor cumulative deformation map for the dam generated from space-based interferometric synthetic aperture radar measurements from the Italian constellation COSMO-SkyMed and the European sensor Sentinel-1a over the period 2014-2016 that we compare to an older dataset spanning 2004-2010 acquired with the European Envisat satellite...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27853599/prey-depletion-as-a-threat-to-the-world-s-large-carnivores
#18
Christopher Wolf, William J Ripple
Large terrestrial carnivores are an ecologically important, charismatic and highly endangered group of species. Here, we assess the importance of prey depletion as a driver of large carnivore endangerment globally using lists of prey species for each large carnivore compiled from the literature. We consider spatial variation in prey endangerment, changes in endangerment over time and the causes of prey depletion, finding considerable evidence that loss of prey base is a major and wide-ranging threat among large carnivore species...
August 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27844011/molecular-systematics-and-distribution-review-of-the-endemic-cyprinid-species-persian-chub-acanthobrama-persidis-coad-1981-in-southern-iran-teleostei-cyprinidae
#19
Azad Teimori, Hamid Reza Esmaeili, Golnaz Sayyadzadeh, Neda Zarei, Ali Gholamhosseini
The Iranian Persian chub is an endemic species of the family Cyprinidae known only from few localities in drainages of Southern Iran. It was originally described in the genus Pseudophoxinus as (Pseudophoxinus persidis) and then Petroleuciscus (as Petroleuciscus persidis). In this study, we examined phylogenetic relationships of the Iranian Persian chub with other relatives in the family Cyprinidae based on the mitochondrial cytochrome b gene to estimate the phylogenetic (and taxonomic) position of the species...
December 2015: Molecular Biology Research Communications
https://www.readbyqxmd.com/read/27811825/redescription-of-garra-elegans-g%C3%A3-nther-1868-a-poorly-known-species-from-the-tigris-river-drainage-teleostei-cyprinidae
#20
Jörg Freyhof
Tylognathus elegans, from the lower Tigris River drainage in Iraq, was previously placed in Pseudogarra and Hemigrammocapoeta. Studies based on mitochondrial (COI) and nuclear molecular markers (Rhodopsin) place T. elegans in Garra. As the species is poorly known, it is redescribed here.
October 6, 2016: Zootaxa
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