The German working group on vegetation databases is dedicated to building, maintaining, linking and analysing electronic archives of vegetation plot data and provides the national repository "VegetWeb", hosted by the German Federal Agency for Nature Conservation (BfN). The 12th workshop will be hosted by the new German Centre for Integrative Biodiversity Research (iDiv) in Leipzig, Germany. The central mission of iDiv is to promote theory-driven experiments and synthesis as well as data-driven theory. The concept of iDiv encompasses the detection of biodiversity, understanding its emergence, exploring its consequences for ecosystem functions and services, and developing strategies to safeguard biodiversity under global change. In this context, the combined synthesis of species abundance and distribution data together with information on species characteristics is seen as a high potential to advance our understanding of community assembly and plant diversity patterns. For this reason, important databases have already become part of iDiv's data research platforms, such as the German Vegetation Reference Database (GVRD), the plant trait databases TRY and BIOLFLOR and the Chorology Database Halle (CDH) on plant distribution data. In this workshop, we seek to explore the potentials of such databases for future research, with a specific focus on vegetation databases.
Further Information: http://www.botanik.uni-greifswald.de/idiv_meeting_2013.html

SPOT-VEGETATION turns 15 in May 2013!
After a long and successful career as Europe's first truly operational system for global monitoring of vegetation, the mission is now nearing the end of its life cycle.
But the story continues! The role of SPOT-VEGETATION will be taken over by ESA's technologically advanced PROBA-V mission from the summer of 2013 onwards.
To celebrate with us the operational and scientific achievements of SPOT-VEGETATION and to look forward to the intriguing perspectives that will offered to the user's community by PROBA-V, BELSPO and VITO are delighted to invite you to the conference "PROBING VEGETATION"  in Antwerp.

The Ministry of Public Works said they are “actively maintaining the Island’s roadways, with crews from the Department of Works and Engineering recently trimming trees and clearing overgrown vegetation at various locations across the Island.” A Government spokesperson said, “This effort is part of an ongoing programme to manage roadside vegetation, enhancing road safety and […]

Math is often described as the science of patterns, which makes it a natural subject to help in the study of the underlying causes of patterns found in nature, for example, bands of vegetation that often occur on gently sloped terrains in certain near-desert ecosystems worldwide. We are starting to learn more about these bands' common properties by using mathematical models built on data, such as rainfall totals and the curvature of the terrain. Mary Silber talks about these mathematical models of vegetation bands.

Nature often holds the key to humanity's greatest challenges. In the case of global warming, Earth's geological past provides a crucial long-term lens.

The predictability and scale of seasonal changes in a habitat help determine the distance migratory species move and whether the animals always travel together to the same place or independently to different locations.

The post Changes in vegetation determine how animals migrate, scientists find in new National Zoo study appeared first on Smithsonian Insider.

Urban vegetation could have been overlooked as valuable above-ground carbon storage, according to researchers. They estimated that 231,521 tonnes of carbon were stored in above-ground vegetation in a UK city, the majority of which (97 per cent) in trees. This was 10 times the amount estimated from national figures for the same city area.

Urban vegetation could have been overlooked as valuable above-ground carbon storage, according to researchers. They estimated that 231,521 tonnes of carbon were stored in above-ground vegetation in a UK city, the majority of which (97 per cent) in trees. This was 10 times the amount estimated from national figures for the same city area.

Scientists did not observe changes in plant communities in the coastal dunes of Scotland due to climate change in the past several decades. The region’s proximity to the ocean and its patchy make-up may prevent it from experiencing rapid changes in species distribution.

Climate change and other environmental changes can have major impacts on plant communities. Researchers have assessed current methods of understanding the impact of these global changes on vegetation and outlined the implications for future research. Vegetation is highly dynamic and likely to respond in complex ways to environmental changes. Researchers should, therefore, use a variety of methods to predict vegetation change in order for findings to be useful for policymaking.

Better hydrogen production could be on the horizon thanks to a cheap new way of making a key component of electrolysers with a 3D printer, a new study suggests. This achievement could speed-up the development of electrolysis, a method of extracting hydrogen from water.

Researchers have shown that emissions from vehicles can react with emissions from urban trees and other plants, resulting in a decrease in air quality in cities in summer; this reduces the otherwise positive impacts of urban vegetation. The study, conducted in Berlin, showed that during a July heatwave, 20% of ozone concentrations were due to emissions of volatile organic compounds (VOCs) from vegetation interacting with other pollutants. To reduce this effect, lowering emissions of these other pollutants is crucial.

Vegetation Program to Apply Herbicide within Developed Areas of Grand Canyon National Park https://www.nps.gov/grca/learn/news/vegetation-program-to-apply-herbicide-within-developed-areas-of-grand-canyon-national-park.htm

Starting in May and continuing through September, the National Park Service will be applying herbicide to targeted, high priority, invasive plant species as part of an ongoing invasive plant management program in Grand Canyon National Park. https://www.nps.gov/grca/learn/news/2012-04-24_herbicide.htm

Earth's climate is changing, as evidenced by warming temperatures, increased temperature variability, fluctuating precipitation patterns, and climate-related environmental disturbances.

We evaluated the effects of vegetation control and organic matter (OM) removal on soil water content (SWC) in a Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantation from age 3 through age 5. Treatments were presence versus absence of vegetation control through year 5 and bole-only harvest of the previous stand versus total-tree harvest of the previous stand including removal of all coarse woody residues.

Current efforts to improve the scientific basis for fire management on public lands will benefit from more efficient transfer of technical information and tools that support planning, implementation, and effectiveness of vegetation and hazardous fuel treatments. The technical scope, complexity, and relevant spatial scale of analytical and decision-support tools differ considerably, which provides a challenge to resource managers and other users who want to select tools appropriate for a particular application. This publication provides a state-of-science summary of tools currently available for management of vegetation and fuels. Detailed summaries include a description of each tool, location where it can be obtained, relevant spatial scale, level of user knowledge required, data requirements, model outputs, application in fuel treatments, linkage to other tools, and availability of training and support. Streamlined summaries in tabular format allow users to rapidly identify those tools that could potentially be applied to a specific management need. In addition, an interdisciplinary team process is described that facilitates application of tools and decisionmaking at different spatial scales.

The work described in this report was initiated during the Interior Columbia Basin Ecosystem Management Project (ICBEMP). The ICBEMP produced a broad-scale scientific assessment of ecological, biophysical, social, and economic conditions for the interior Columbia River basin and portions of the Klamath and Great Basins. The broad-scale assessment made extensive use of potential vegetation (PV) information. This report (1) discusses certain concepts and terms as related to PV, (2) describes how a PV framework developed for the broad-scale ICBEMP assessment area was stepped down to the level of a single section in the national hierarchy of terrestrial ecological units, (3) describes how fine-scale potential vegetation types (PVTs) identified for the Blue Mountains section were aggregated into the midscale portion of the PV hierarchy, and (4) describes the PVT composition for each of the midscale hierarchical units (physiognomic class, potential vegetation group, plant association group).

A gradient-analysis-based model and grid-based map are presented that use the potential vegetation zone as the object of the model. Several new variables are presented that describe the environmental gradients of the landscape at different scales. Boundary algorithms are conceptualized, and then defined, that describe the environmental boundaries between vegetation zones on the Olympic Peninsula, Washington, USA.

Scientists have had little information about how prescribed fire and cattle grazing—common practices in many Western ponderosa pine forests—affect plant abundance and reproduction in the forest understory. Pacific Northwest Research Station scientists began to explore how these practices affect vegetation in a five-year study of postfire vegetation in eastern Oregon ponderosa pine forests where cattle have been routinely pastured from late June or early July through early to mid August. For this area of eastern Oregon, they found that excluding cattle grazing during peak growing season increased native plant cover and grass flowering capability in ungrazed areas compared to grazed areas. Because vegetation was measured prior to releasing cattle on the land, the study's results tend to reflect lasting grazing impacts rather than simple consumption.

A vegetation pruning device includes a cutting element; a guide bar for supporting the cutting element, the guide bar having a guide bar plane, the guide bar being pivotable in the guide bar plane about a fixed axis; a motor having a motor shaft for rotatably driving the cutting element; a motor housing for receiving the motor; a guiding mechanism connected to the motor housing, the guiding mechanism having a longitudinal axis; a handle assembly operable to move linearly along the longitudinal axis; and a transmission device for connecting the handle assembly to the guide bar through, the transmission device converting a linearly movement of the handle assembly to a pivoting movement of the guide bar, the cutting element thereby approaching or withdrawing from a workpiece to be sawn.

This invention provides for a vegetation removal system capable of removing vegetation from irrigation canals, rivers, ponds, lakes, marshes and other water systems where the growth of vegetation impedes the flow of water, access to water or there is a desire to remove unwanted vegetation. The vegetation removal system comprises a rake system that allows for the removal of the vegetation while letting the water and silt or mud flow through the rake and substantially remain as part of the bank or bottom of the body of water. The invention also allows for the folding of the vegetation removal rake into a compact form by folding the outboard wings over on top of the main rake section. Sensors attached to the vegetation removal system can provide situational awareness for the operator as well as determine the position orientation of the rake when the rake is submerged or working near obstacles.

The present invention provides a system and method to accurately and safely allow the application of nutritional elements to the foliage of vegetation. The accuracy and safety are the result of the nutritional elements being pre-mixed and applied via a pressurized canister, which produces a foam-based delivery system. The foam is highly visible, dissipates rapidly, and is inert except for the nutrients which it contains (e.g., nitrogen, phosphorus, potassium, magnesium, calcium, and others including all of the micro-nutrients that are essential for plant growth). The nutrient content of the foam, for specific uses of the invention, is necessarily variable depending on the type and condition of the vegetation needing such an application.

Five years after her partner was murdered at work, a New South Wales woman says she is shattered by an amnesty for those who broke the laws he was trying to enforce.

Background: MRSA pose significant therapeutic challenges, related to their: frequency in clinical infections; innate virulence properties; and propensity for multi-antibiotic resistance. MRSA are among the most common causes of endovascular infections, including infective endocarditis (IE).

Objective: To employ transthoracic echocardiography (TTE) to evaluate the effect of exebacase, a novel direct lytic agent, in experimental aortic valve MRSA IE.

Study Design: TTE was utilized to evaluate the in vivo effect of exebacase on MRSA-infected vegetation progression when combined with daptomycin (vs daptomycin alone). Primary intravegetation outcomes were: maximum size; weights at sacrifice; and MRSA counts at infection baseline vs after 4 days of daptomycin treatment (alone or in addition to exebacase administered once on treatment Day 1).

Results: A single dose of exebacase in addition to daptomycin cleared significantly more intravegetation MRSA than daptomycin alone. This was associated with a statistical trend toward reduced maximum vegetation size in the exebacase + daptomycin vs the daptomycin-alone therapy groups (p = 0.07). Also, mean vegetation weights in the exebacase-treated group were significantly lower vs daptomycin-alone (p < 0.0001). Maximum vegetation size by TTE correlated with vegetation weight (p = 0.005). In addition, intravegetation MRSA counts in the combination group were significantly lower vs untreated controls (p<0.0001) and the daptomycin-alone group (p<0.0001).

Conclusion: This study suggests that exebacase has a salutary impact on MRSA-infected vegetation progression when combined with daptomycin, especially in terms of vegetation MRSA burden, size and weight. Moreover, TTE appears to be an efficient non-invasive tool to assess therapeutic efficacies in experimental MRSA IE.

This new map uses satellite technology to display the world's vegetation, and can be used for everything from weather predictions to deciding best land use practices.

These amazing images show the Algar do Carvão in the Azores, an incredible volcanic vent formed during an eruption 2,000 years ago. Now, lockdowns permitting, it can be explored on foot.

Plant life is expanding in the area around Mount Everest and across the Himalayan region, according to a British study that observed satellite data over 25 years.

Online Resource

Safianowicz, Katarzyna Marta, author

Radosevich, Steven R