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https://www.readbyqxmd.com/read/29141028/developing-methods-for-assessing-abundance-and-distribution-of-european-oysters-ostrea-edulis-using-towed-video
#1
Linnea Thorngren, Thomas Dunér Holthuis, Susanne Lindegarth, Mats Lindegarth
Due to large-scale habitat losses and increasing pressures, benthic habitats in general, and perhaps oyster beds in particular, are commonly in decline and severely threatened on regional and global scales. Appropriate and cost-efficient methods for mapping and monitoring of the distribution, abundance and quality of remaining oyster populations are fundamental for sustainable management and conservation of these habitats and their associated values. Towed video has emerged as a promising method for surveying benthic communities in a both non-destructive and cost-efficient way...
2017: PloS One
https://www.readbyqxmd.com/read/29140983/ecosystem-services-in-european-protected-areas-ambiguity-in-the-views-of-scientists-and-managers
#2
Christiaan Hummel, Antonello Provenzale, Jaap van der Meer, Sander Wijnhoven, Arno Nolte, Dimitris Poursanidis, Guyonne Janss, Matthias Jurek, Magnus Andresen, Brigitte Poulin, Johannes Kobler, Carl Beierkuhnlein, João Honrado, Arturas Razinkovas, Ana Stritih, Tessa Bargmann, Alex Ziemba, Francisco Bonet-García, Mihai Cristian Adamescu, Gerard Janssen, Herman Hummel
Protected Areas are a key component of nature conservation. They can play an important role in counterbalancing the impacts of ecosystem degradation. For an optimal protection of a Protected Area it is essential to account for the variables underlying the major Ecosystem Services an area delivers, and the threats upon them. Here we show that the perception of these important variables differs markedly between scientists and managers of Protected Areas in mountains and transitional waters. Scientists emphasise variables of abiotic and biotic nature, whereas managers highlight socio-economic, cultural and anthropogenic variables...
2017: PloS One
https://www.readbyqxmd.com/read/29139216/patterns-and-drivers-of-fish-extirpations-in-rivers-of-the-american-southwest-and-southeast
#3
John S Kominoski, Albert Ruhí, Megan M Hagler, Kelly Petersen, John L Sabo, Tushar Sinha, Arumugam Sankarasubramanian, Julian D Olden
Effective conservation of freshwater biodiversity requires spatially explicit investigations of how dams and hydroclimatic alterations among climate regions may interact to drive species to extinction. We investigated how dams and hydroclimatic alterations interact with species ecological and life history traits to influence past extirpation probabilities of native freshwater fishes in the Upper and Lower Colorado River (CR), Alabama-Coosa-Tallapoosa (ACT), and Apalachicola-Chattahoochee-Flint (ACF) basins...
November 15, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29139129/reproductive-biology-of-female-striped-marlin-kajikia-audax-in-the-western-pacific-ocean
#4
H-Y Chang, C-L Sun, S-Z Yeh, Y-J Chang, N-J Su, G DiNardo
Length and mass data for 1260 (536 females, 683 males, 41 sex unknown) striped marlin Kajikia audax were collected at the fish markets of Tungkang, Singkang and Nanfangao from July 2004 to September 2010. Of these samples, 534 gonads (236 females and 298 males) ranging from 95 to 206 cm in eye-to-fork length (LEF ) and 8 to 88 kg in round mass (MR ), were collected. Chi-square tests indicated sex ratios were homogeneous among months in 2004 and 2006-2008, but not in 2005, 2009 and 2010; and there were significant differences in sex ratio by size...
November 15, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/29138485/evaluating-the-impact-of-domestication-and-captivity-on-the-horse-gut-microbiome
#5
Jessica L Metcalf, Se Jin Song, James T Morton, Sophie Weiss, Andaine Seguin-Orlando, Frédéric Joly, Claudia Feh, Pierre Taberlet, Eric Coissac, Amnon Amir, Eske Willerslev, Rob Knight, Valerie McKenzie, Ludovic Orlando
The mammal gut microbiome, which includes host microbes and their respective genes, is now recognized as an essential second genome that provides critical functions to the host. In humans, studies have revealed that lifestyle strongly influences the composition and diversity of the gastrointestinal microbiome. We hypothesized that these trends in humans may be paralleled in mammals subjected to anthropogenic forces such as domestication and captivity, in which diets and natural life histories are often greatly modified...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29137813/reasons-for-seagrass-optimism-local-ecological-knowledge-confirms-presence-of-dugongs
#6
Leanne C Cullen-Unsworth, Benjamin L Jones, Rachel Seary, Rhian Newman, Richard K F Unsworth
Dugongs (Dugong dugon) depend on seagrass meadows for food. As such seagrass and dugong conservation should go hand in hand. Assessing dugong populations is notoriously challenging. In the most resource dependent communities Local Ecological Knowledge (LEK) is generally high and can provide an alternative to the use of expensive ecological surveys to understand dugong populations and support associated resource management decisions. Residents of the Wakatobi National Park (WNP), SE Sulawesi, Indonesia are highly dependent on marine resources for livelihoods and correspondingly LEK is high...
November 11, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29137088/fixation-of-comminuted-midshaft-clavicle-fractures-with-bone-fragments-separated-by-soft-tissue-using-a-novel-double-ligature-technique-a-case-report
#7
Wei-Na Ju, Cheng-Xue Wang, Tie-Jun Wang, Bao-Chang Qi
RATIONALE: Clavicle fractures are common, and mostly occur in the midshaft. Methods for operative treatment of midshaft clavicle fractures are evolving, as they improve clinical outcomes compared with traditional conservative management. However, fixation of comminuted midshaft clavicle fractures with bone fragments separated by soft tissue remains a challenge. PATIENT CONCERNS: Here, we present a case of comminuted midshaft clavicle fracture with a bone fragment separated from the main fracture by soft tissue...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136737/-research-progress-on-early-diagnosis-reasonable-prevention-and-treatment-of-symptomatic-spinal-epidural-hematoma-following-spinal-surgery
#8
X W Ye, S S Liu, P H Zeng, B L Liu
Symptomatic spinal epidural hematoma (SSEH) following spinal surgery is rare but one of the serious complications. SSEH can leave devastating neurological consequences if missing the optimal timing for treatment. The early diagnosis of SSEH is critical to the neurologic recovery, and MRI examination can help to check the location and the scope of the hematoma and provide imaging information for surgical operation. The risk factors of SSEH can be divided into preoperative factors, intraoperative factors and postoperative factors...
November 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29136658/community-ecology-in-3d-tensor-decomposition-reveals-spatio-temporal-dynamics-of-large-ecological-communities
#9
Romain Frelat, Martin Lindegren, Tim Spaanheden Denker, Jens Floeter, Heino O Fock, Camilla Sguotti, Moritz Stäbler, Saskia A Otto, Christian Möllmann
Understanding spatio-temporal dynamics of biotic communities containing large numbers of species is crucial to guide ecosystem management and conservation efforts. However, traditional approaches usually focus on studying community dynamics either in space or in time, often failing to fully account for interlinked spatio-temporal changes. In this study, we demonstrate and promote the use of tensor decomposition for disentangling spatio-temporal community dynamics in long-term monitoring data. Tensor decomposition builds on traditional multivariate statistics (e...
2017: PloS One
https://www.readbyqxmd.com/read/29136595/modeling-the-temporal-dynamics-of-intertidal-benthic-infauna-biomass-with-environmental-factors-impact-assessment-of-land-reclamation
#10
Ye Yang, Ting Fong May Chui, Ping Ping Shen, Yang Yang, Ji Dong Gu
Anthropogenic activities such as land reclamation are threatening tidal marshes worldwide. This study's hypothesis is that land reclamation in a semi-enclosed bay alters the seasonal dynamics of intertidal benthic infauna, which is a key component in the tidal marsh ecosystem. Mai Po Tidal Marsh, Deep Bay, Pearl River Estuary, China was used as a case study to evaluate the hypothesis. Ecological models that simulate benthic biomass dynamics with governing environmental factors were developed, and various scenario experiments were conducted to evaluate the impact of reclamations...
November 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29135620/safety-of-a-1-hour-rule-out-high-sensitive-troponin-t-protocol-in-patients-with-chest-pain-at-the-emergency-department
#11
E Röttger, S de Vries-Spithoven, J B Reitsma, A Limburg, C E E van Ofwegen-Hanekamp, A W Hoes, J M Poldervaart
BACKGROUND: The 1-hour rule-out high-sensitive cardiac troponin T protocol (hs-cTnT), in which a serial troponin measurement is performed 1 hour after the first to assess the possibility of acute coronary syndrome (ACS), has been implemented in the European guidelines in 2015. Our aim was to assess the safety of this protocol in low-risk patients in the Emergency Department (ED) when implemented in daily practice. METHODS: Patients with acute chest pain presenting to the ED of our hospital and younger than 75 years were included (May 2013 to October 2014, The Netherlands)...
December 2017: Critical Pathways in Cardiology
https://www.readbyqxmd.com/read/29135526/case-report-of-an-awake-craniotomy-in-a-patient-with-eisenmenger-syndrome
#12
Boris D Heifets, Erin Crawford, Ethan Jackson, Jessica Brodt, Richard A Jaffe, Mark A Burbridge
We present a detailed report of an awake craniotomy for recurrent third ventricular colloid cyst in a patient with severe pulmonary arterial hypertension in the setting of Eisenmenger syndrome, performed 6 weeks after we managed the same patient for a more conservative procedure. This patient has a high risk of perioperative mortality and may be particularly susceptible to perioperative hemodynamic changes or fluid shifts. The risks of general anesthesia induction and emergence must be balanced against the risks inherent in an awake craniotomy on a per case basis...
November 9, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/29134155/foliar-microbiome-transplants-confer-disease-resistance-in-a-critically-endangered-plant
#13
Geoffrey Zahn, Anthony S Amend
There has been very little effort to incorporate foliar microbiomes into plant conservation efforts even though foliar endophytes are critically important to the fitness and function of hosts. Many critically endangered plants that have been extirpated from the wild are dependent on regular fungicidal applications in greenhouses that cannot be maintained for remote out-planted populations, which quickly perish. These fungicides negatively impact potentially beneficial fungal symbionts, which may reduce plant defenses to pathogens once fungicide treatments are stopped...
2017: PeerJ
https://www.readbyqxmd.com/read/29134102/imperial-trophy-or-island-relict-a-new-extinction-paradigm-for-p%C3%A3-re-david-s-deer-a-chinese-conservation-icon
#14
Samuel T Turvey, Ian Barnes, Melissa Marr, Selina Brace
Determining the 'dynamic biogeography' of range collapse in threatened species is essential for effective conservation, but reconstruction of spatio-temporal patterns of population vulnerability and resilience can require use of non-standard ecological data such as historical archives. Père David's deer or milu, one of the few living mammal species that has become extinct in the wild, is historically known only from a small captive herd of unknown provenance that survived until 1900 in the Imperial Hunting Park near Beijing, from which all living individuals are descended...
October 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29134014/on-the-identity-of-leptoxis-taeniata-a-misapplied-name-for-the-threatened-painted-rocksnail-cerithioidea-pleuroceridae
#15
Nathan V Whelan, Paul D Johnson, Jeffrey T Garner, Ellen E Strong
The Painted Rocksnail, currently known as Leptoxis taeniata, is a federally threatened species native to the Mobile River basin in Alabama, USA. Presently restricted to four disjunct populations, the species is at considerable risk of extinction after a range decline of over 95% in the 20th century because of habitat alteration following impoundment of the Coosa River. Here, we reassess the identity and historical range of the Painted Rocksnail to improve communication and conservation efforts for the species...
2017: ZooKeys
https://www.readbyqxmd.com/read/29133408/ecosystem-management-and-land-conservation-can-substantially-contribute-to-california-s-climate-mitigation-goals
#16
D Richard Cameron, David C Marvin, Jonathan M Remucal, Michelle C Passero
Modeling efforts focused on future greenhouse gas (GHG) emissions from energy and other sectors in California have shown varying capacities to meet the emissions reduction targets established by the state. These efforts have not included potential reductions from changes in ecosystem management, restoration, and conservation. We examine the scale of contributions from selected activities in natural and agricultural lands and assess the degree to which these actions could help the state achieve its 2030 and 2050 climate mitigation goals under alternative implementation scenarios...
November 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29132720/intensify-production-transform-biomass-to-energy-and-novel-goods-and-protect-soils-in-europe-a-vision-how-to-mobilize-marginal-lands
#17
REVIEW
P Schröder, B Beckers, S Daniels, F Gnädinger, E Maestri, N Marmiroli, M Mench, R Millan, M M Obermeier, N Oustriere, T Persson, C Poschenrieder, F Rineau, B Rutkowska, T Schmid, W Szulc, N Witters, A Sæbø
The rapid increase of the world population constantly demands more food production from agricultural soils. This causes conflicts, since at the same time strong interest arises on novel bio-based products from agriculture, and new perspectives for rural landscapes with their valuable ecosystem services. Agriculture is in transition to fulfill these demands. In many countries, conventional farming, influenced by post-war food requirements, has largely been transformed into integrated and sustainable farming...
November 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29132561/surgical-intervention-for-lymphedema
#18
REVIEW
Kristalyn Gallagher, Kathleen Marulanda, Stephanie Gray
Lymphedema is a chronic, progressive disease with no curative treatment. Breast cancer therapy is the most common cause of secondary lymphedema in the developed world. Treatment includes nonsurgical and surgical strategies. Conservative measures are reserved for subclinical lymphedema. Surgical options are divided into physiologic (to restore function) and reductive (to remove diseased tissue). Early stage disease is managed with physiologic procedures. Reductive treatment is reserved for moderate to severe staged disease owing to high morbidity...
January 2018: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/29132558/intraoperative-margin-assessment-in-breast-cancer-management
#19
REVIEW
Chantal Reyna, Sarah M DeSnyder
The goal of breast-conserving surgery is to excise the tumor with negative margins while achieving a successful cosmetic result. Although it is not feasible to have re-excision rates of zero, several techniques have been described to reduce the need for a return to the operating room. When rates of re-excision are high, consideration should be given to using 1 or more of these techniques. It is critical that re-excision rates are tracked when new techniques are implemented to ensure progress. In addition, attention must be paid to ensuring that cosmetic outcomes remain optimal...
January 2018: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/29132087/traditional-cattle-vs-introduced-deer-management-in-chaco-serrano-woodlands-argentina-analysis-of-environmental-sustainability-at-increasing-densities
#20
José Luis Charro, Aida López-Sánchez, Ramón Perea
Wild ungulate populations have increased and expanded considerably in many regions, including austral woodlands and forests where deer (Cervus elaphus) have been introduced as an alternative management to traditional cattle grazing. In this study, we compared traditional cattle with introduced deer management at increasing deer densities in the "Chaco Serrano" woodlands of Argentina to assess their ecological sustainability. We used three ecological indicators (abundance of tree regeneration, woody plant diversity and browsing damage) as proxies for environmental sustainability in woody systems...
November 10, 2017: Journal of Environmental Management
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