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https://www.readbyqxmd.com/read/28634640/the-microbiome-of-eucalyptus-roots-under-different-management-conditions-and-its-potential-for-biological-nitrogen-fixation
#1
Eduardo da Siva Fonseca, Raquel Silva Peixoto, Alexandre Soares Rosado, Fabiano de Carvalho Balieiro, James M Tiedje, Caio Tavora Coelho da Costa Rachid
Eucalyptus plantations offer a cost-effective and renewable source of raw material. There is substantial interest in improving forestry production, especially through sustainable strategies such as the use of plant growth-promoting bacteria. However, little is known about Eucalyptus microbiology. In this study, the endophytic bacterial community was assessed in Eucalyptus urograndis roots using culture-dependent and culture-independent techniques with plants grown under different conditions. Three phyla accounted for approximately 95% of the community, with Actinobacteria corresponding to approximately 59%...
June 21, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28611840/deep-learning-for-plant-identification-in-natural-environment
#2
Yu Sun, Yuan Liu, Guan Wang, Haiyan Zhang
Plant image identification has become an interdisciplinary focus in both botanical taxonomy and computer vision. The first plant image dataset collected by mobile phone in natural scene is presented, which contains 10,000 images of 100 ornamental plant species in Beijing Forestry University campus. A 26-layer deep learning model consisting of 8 residual building blocks is designed for large-scale plant classification in natural environment. The proposed model achieves a recognition rate of 91.78% on the BJFU100 dataset, demonstrating that deep learning is a promising technology for smart forestry...
2017: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/28603912/regulation-of-bone-mineral-density-in-the-grey-squirrel-sciurus-carolinensis-bioavailability-of-calcium-oxalate-and-implications-for-bark-stripping
#3
C P Nichols, N G Gregory, N Goode, R M A Gill, J A Drewe
The damage caused when grey squirrels strip the outer bark off trees and ingest the underlying phloem can result in reduced timber quality or tree death. This is extremely costly to the UK forestry industry and can alter woodland composition, hampering conservation efforts. The calcium hypothesis proposes that grey squirrels ingest phloem to ameliorate a seasonal calcium deficiency. Calcium in the phloem predominantly takes the form of calcium oxalate (CaOx), however not all mammals can utilise CaOx as a source of calcium...
June 12, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28603538/testing-projected-climate-change-conditions-on-the-endoconidiophora-polonica-norway-spruce-pathosystem-shows-fungal-strain-specific-effects
#4
Riikka Linnakoski, Kristian M Forbes, Michael J Wingfield, Pertti Pulkkinen, Fred O Asiegbu
Climate changes, exemplified by increased temperatures and CO2 concentration, pose a global threat to forest health. Of particular concern are pests and pathogens, with a warming climate altering their distributions and evolutionary capacity, while impairing the ability of some plants to respond to infections. Progress in understanding and mitigating such effects is currently hindered by a lack of empirical research. Norway spruce (Picea abies) is one of the most economically important tree species in northern Europe, and is considered highly vulnerable to changes in climate...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28601061/intestinal-and-external-parasites-of-raccoon-dogs-nyctereutes-procyonoides-in-western-poland
#5
Natalia Osten-Sacken, Anna Słodkowicz-Kowalska, Jarosław Pacoń, Łukasz Skrzypczak, Anna Werner
Parasites of an invasive species, the raccoon dog (Nyctereutes procyonoides) from western Poland were investigated to clarify poorly known ecological key aspects of the species. The research was conducted in two study areas: the Ujście Warty National Park and the Bogdaniec Forestry District. Intestinal samples were collected from the intestinal tracks of 39 dead animals and 51 faecal samples were collected in all seasons from latrines of raccoon dogs. Macro-parasites, their eggs and protozoan parasites were investigated to assess the taxonomic composition of parasites, the level of infection and the risk of potential transfer of dangerous parasites from raccoon dogs to people and native species...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28595226/-surgical-repair-for-the-ventricular-septal-perforation-following-blunt-chest-trauma-report-of-a-case
#6
Chihiro Yoshida, Kazutoshi Tano, Youichi Ichikawa
Ventricular septal perforation(VSP) after blunt chest trauma is rare. As the clinical symptoms and timing of presentation are varied, appropriate diagnosis can be difficult or delayed. An 86-year-old man presented with a traumatic VSP following a forestry injury. He showed a normal cardiac structure at the time of injury, but echocardiography after 9 days revealed VSP. He was treated successfully with surgical closure of the VSP.
June 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28594870/spatial-planning-for-a-green-economy-national-level-hydrologic-ecosystem-services-priority-areas-for-gabon
#7
Joshua Howard Goldstein, Heather Tallis, Aaron Cole, Steven Schill, Erik Martin, Michael Heiner, Marie-Claire Paiz, Allison Aldous, Colin Apse, Barry Nickel
Rapidly developing countries contain both the bulk of intact natural areas and biodiversity, and the greatest untapped natural resource stocks, placing them at the forefront of "green" economic development opportunities. However, most lack scientific tools to create development plans that account for biodiversity and ecosystem services, diminishing the real potential to be sustainable. Existing methods focus on biodiversity and carbon priority areas across large geographies (e.g., countries, states/provinces), leaving out essential services associated with water supplies, among others...
2017: PloS One
https://www.readbyqxmd.com/read/28592993/can-we-use-short-rotation-coppice-poplar-for-sugar-based-biorefinery-feedstock-bioconversion-of-2-year-old-poplar-grown-as-short-rotation-coppice
#8
Chang Dou, Wilian F Marcondes, Jessica E Djaja, Renata Bura, Rick Gustafson
BACKGROUND: Feedstock cost is a substantial barrier to the commercialization of lignocellulosic biorefineries. Poplar grown using a short rotation coppice (SRC) system has the potential to provide a low-cost feedstock and economically viable sugar yields for fuels and chemicals production. In the coppice management regime, poplars are harvested after 2 years' growth to develop the root system and establish the trees. The biomass from these 2-year-old trees is very heterogeneous, and includes components of leaf, bark, branch, and wood chip...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28575022/investigating-the-effect-of-forestry-on-leaf-litter-arthropods-algonquin-park-ontario-canada
#9
M Alex Smith, Amanda Boyd, Amelia Chan, Simonne Clout, Paulson des Brisay, Sarah Dolson, Thanushi Eagalle, Sean Espinola, Aaron Fairweather, Sydney Frank, Christopher Fruetel, Cristina Garrido Cortes, James Hall, Chris Ho, Eryk Matczak, Sandra McCubbin, Megan McPhee, Kate A Pare, Kelsie Paris, Ellen Richard, Morgan Roblin, Cassandra Russell, Ryan Snyder, Carolyn Trombley, Tyler Schmitt, Caitlin Vandermeer, Connor Warne, Natasha Welch, Chelsie Xavier-Blower
Arthropods are the most diverse taxonomic group of terrestrial eukaryotes and are sensitive to physical alterations in their environment such as those caused by forestry. With their enormous diversity and physical omnipresence, arthropods could be powerful indicators of the effects of disturbance following forestry. When arthropods have been used to measure the effects of disturbance, the total diversity of some groups is often found to increase following forestry. However, these findings are frequently derived using a coarse taxonomic grain (family or order) to accommodate for various taxonomic impediments (including cryptic diversity and poorly resourced taxonomists)...
2017: PloS One
https://www.readbyqxmd.com/read/28570968/sources-of-nitrogen-and-phosphorus-emissions-to-irish-rivers-and-coastal-waters-estimates-from-a-nutrient-load-apportionment-framework
#10
Eva M Mockler, Jenny Deakin, Marie Archbold, Laurence Gill, Donal Daly, Michael Bruen
More than half of surface water bodies in Europe are at less than good ecological status according to Water Framework Directive assessments, and diffuse pollution from agriculture remains a major, but not the only, cause of this poor performance. Agri-environmental policy and land management practices have, in many areas, reduced nutrient emissions to water. However, additional measures may be required in Ireland to further decouple the relationship between agricultural productivity and emissions to water, which is of vital importance given on-going agricultural intensification...
May 29, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28554660/nanotechnology-in-agriculture-opportunities-toxicological-implications-and-occupational-risks
#11
Ivo Iavicoli, Veruscka Leso, Donald H Beezhold, Anna A Shvedova
Nanotechnology has the potential to make a beneficial impact on several agricultural, forestry, and environmental challenges, such as urbanization, energy constraints, and sustainable use of resources. However, new environmental and human health hazards may emerge from nano-enhanced applications. This raises concerns for agricultural workers who may become primarily exposed to such xenobiotics during their job tasks. The aim of this review is to discuss promising solutions that nanotechnology may provide in agricultural activities, with a specific focus on critical aspects, challenging issues, and research needs for occupational risk assessment and management in this emerging field...
May 26, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28552816/spanish-strategy-on-bioeconomy-towards-a-knowledge-based-sustainable-innovation
#12
REVIEW
Manuel Lainez, José Manuel González, Alfredo Aguilar, Carmen Vela
Spain launched its own strategy on bioeconomy in January 2016 aiming at boosting a bioeconomy based on the sustainable and efficient production and use of biological resources. It highlights global societal challenges related with agricultural and biotechnological sciences in Spain and the great dynamism of the private sectors involved, particularly the agri-food, biotech and biomass sectors. The targeted sectors are food, agriculture and forestry, conditioned by water availability. It also includes the production of those industrial bioproducts and bioenergy obtained from the use and valorisation of wastes and residues and other non-conventional sources of biomass, in a circular economy...
May 25, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28548494/resource-footprints-are-good-proxies-of-environmental-damage
#13
Zoran J N Steinmann, Aafke M Schipper, Mara Hauck, Stefan Giljum, Gregor Wernet, Mark A J Huijbregts
Environmental footprints are increasingly used to quantify and compare environmental impacts of for example products, technologies, households, or nations. This has resulted in a multitude of footprint indicators, ranging from relatively simple measures of resource use (water, energy, materials) to integrated measures of eventual damage (for example, extinction of species). Yet, the possible redundancies among these different footprints have not yet been quantified. This paper analyzes the relationships between two comprehensive damage footprints and four resource footprints associated with 976 products...
June 6, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28519717/phytophthora-cinnamomi
#14
Adrienne R Hardham, Leila M Blackman
Phytophthora cinnamomi is one of the most devastating plant pathogens in the world. It infects close to 5,000 species of plants, including many of importance in agriculture, forestry and horticulture. Inadvertent introduction of P. cinnamomi into natural ecosystems, including a number of recognised Global Biodiversity Hotspots, has disastrous consequences for the environment and biodiversity of flora and fauna. The genus Phytophthora belongs to the Class Oomycetes, a group of fungus-like organisms that initiate plant disease through the production of motile zoospores...
May 18, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/28498114/life-cycle-assessment-of-sludge-management-with-phosphorus-utilisation-and-improved-hygienisation-in-sweden
#15
M Svanström, S Heimersson, G Peters, R Harder, D I'Ons, A Finnson, J Olsson
To provide input to sewage sludge management strategies that address expected new regulations in terms of hygienisation and phosphorus recovery in Sweden, an environmental life cycle assessment (LCA) was made. The LCA identified environmental hot spots for methods that may permit sludge or phosphorus from sludge to be applied on agricultural land. In particular, thermophilic digestion, pasteurisation, thermal hydrolysis, urea treatment and mono-incineration with phosphorus recovery were compared. In addition, a sludge management system involving drying of sludge before use in forestry was investigated...
May 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28486538/how-plant-neighborhood-composition-influences-herbivory-testing-four-mechanisms-of-associational-resistance-and-susceptibility
#16
Tania N Kim
Neighboring plants can decrease or increase each other's likelihood of damage from herbivores through associational resistance or susceptibility, respectively. Associational effects (AE) can transpire through changes in herbivore or plant traits that affect herbivore movement, densities, and feeding behaviors to ultimately affect plant damage. While much work has focused on understanding the mechanisms that underlie associational effects, we know little about how these mechanisms are influenced by neighborhood composition, i...
2017: PloS One
https://www.readbyqxmd.com/read/28462026/ecological-and-pest-management-implications-of-sex-differences-in-scarab-landing-patterns-on-grape-vines
#17
Mauricio González-Chang, Stéphane Boyer, Marie-Caroline Lefort, Jerry Nboyine, Steve D Wratten
BACKGROUND: Melolonthinae beetles, comprising different white grub species, are a globally-distributed pest group. Their larvae feed on roots of several crop and forestry species, and adults can cause severe defoliation. In New Zealand, the endemic scarab pest Costelytra zealandica (White) causes severe defoliation on different horticultural crops, including grape vines (Vitis vinifera). Understanding flight and landing behaviours of this pest can help inform pest management decisions...
2017: PeerJ
https://www.readbyqxmd.com/read/28456092/occupation-and-risk-of-prostate-cancer-in-canadian-men-a-case-control-study-across-eight-canadian-provinces
#18
Jeavana Sritharan, Paul A Demers, Shelley A Harris, Donald C Cole, Cheryl E Peters
BACKGROUND: The etiology of prostate cancer continues to be poorly understood, including the role of occupation. Past Canadian studies have not been able to thoroughly examine prostate cancer by occupation with detailed information on individual level factors. METHODS: Occupation, industry and prostate cancer were examined using data from the National Enhanced Cancer Surveillance System, a large population-based case-control study conducted across eight Canadian provinces from 1994 to 1997...
April 26, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28455953/biotechnology-for-bioenergy-dedicated-trees-meeting-future-energy-demands
#19
Hani Al-Ahmad
With the increase in human demands for energy, purpose-grown woody crops could be part of the global renewable energy solution, especially in geographical regions where plantation forestry is feasible and economically important. In addition, efficient utilization of woody feedstocks would engage in mitigating greenhouse gas emissions, decreasing the challenge of food and energy security, and resolving the conflict between land use for food or biofuel production. This review compiles existing knowledge on biotechnological and genomics-aided improvements of biomass performance of purpose-grown poplar, willow, eucalyptus and pine species, and their relative hybrids, for efficient and sustainable bioenergy applications...
April 29, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28434183/impacts-of-forestry-on-boreal-forests-an-ecosystem-services-perspective
#20
REVIEW
Tähti Pohjanmies, María Triviño, Eric Le Tortorec, Adriano Mazziotta, Tord Snäll, Mikko Mönkkönen
Forests are widely recognized as major providers of ecosystem services, including timber, other forest products, recreation, regulation of water, soil and air quality, and climate change mitigation. Extensive tracts of boreal forests are actively managed for timber production, but actions aimed at increasing timber yields also affect other forest functions and services. Here, we present an overview of the environmental impacts of forest management from the perspective of ecosystem services. We show how prevailing forestry practices may have substantial but diverse effects on the various ecosystem services provided by boreal forests...
April 22, 2017: Ambio
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