Plant Species Current Events

Plant Species Current Events, Plant Species News Articles.
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A detailed map of North and South America's plant diversity
A team of researchers has complied a comprehensive list of all known plants that take root throughout North and South America, shedding light on plant diversity and patterns across the two continents. (2017-12-21)

All species are not created equal when assessing the impacts of species loss on ecosystems
In the June Ecology Letters, Smith and Knapp show with an extinction scenario, in which rare and uncommon plant species were removed but most common or dominant species were always present, no decline in aboveground plant growth of a native grassland community was observed. Instead, the dominant species imparted resistance to ecosystem change, even in the face of a 3-fold decline in species. The loss of uncommon species did negatively affect the remaining rare species. (2003-05-22)

Drought sensitivity shapes species distribution patterns in tropical forests
Looking at a rainforest it's easy to see that there are hundreds of different tropical plant species that inhabit the forest. Although the patterns of plant distributions in tropical forests have been widely studied, the reasonings behind these patterns are not as well known. This study, published in Nature, explores these patterns. A contingent of researchers from around the world, including Panama, Germany, USA and Canada, have uncovered that tropical plant species distribution patterns are linked to the plant's drought sensitivity. (2007-05-14)

An unexpected outcome of atmospheric CO2 enrichment
Mycorrhizae help plants acquire soil nutrients but also drain substantial carbon from plants. Whether mycorrhizae help or hinder plant growth depends upon the balance between nutrient benefits and carbon costs. The forthcoming issue of Ecology Letters demonstrates that enrichment of atmospheric CO2 and soil N interacts with mycorrhizae to structure the species composition of experimental plant communities. This study emphasizes the need to consider mycorrhizal interactions when predicting plant community responses to global change factors. (2003-05-22)

Mowing, Grazing Of Tall-Grass Prairie Increases
A long-term research study on tall grass prairies found that bison grazing or mowing increases the species diversity at a particular site of grasses on the prairie. Grazing and mowing keep plant diversity high even in annually burned or fertilized prairie where some plant species would otherwise be lost. (1998-05-01)

Herbicides may not be sole cause of declining plant diversity
The increasing use of chemical herbicides is often blamed for the declining plant biodiversity in farms. However, other factors beyond herbicide exposure may be more important to species diversity, according to Penn State researchers. (2014-02-04)

Catastrophic shift in species diversity and productivity of an ecosystem
Ecology and environmental management is predicated on ecosystems responding to environmental changes in a smooth and straightforward way. However, in Ecology Letters, May, Schmitz reports on a long-term field experiment that prompting a critical look at this view. The study provides a cautionary tale that ecosystem management which alters predator abundances even slightly may cause dramatic and irreversible shifts in the productivity and diversity of ecosystems. (2004-05-04)

Plant response to carbon dioxide emissions depends on their neighbors
Plants may have a hard time adapting to climate change if they move to new regions to keep up with changing habitats, according to new UBC research. (2016-08-11)

Key plant species may be important for supporting wildflower pollinators
Increased agricultural production has likely led to loss, fragmentation, and degradation of flower-rich habitats for pollinators. To counteract these negative effects of modern agricultural practices, efforts to maintain and restore diverse plants in agricultural landscapes -- called agri-environmental schemes (AES) -- have been implemented in numerous European countries. (2017-10-05)

Long-term consequences difficult to predict
In a longitudinal study, an international research team led by Leipzig University has investigated the consequences of changes in plant biodiversity for the functioning of ecosystems. The scientists found that the relationships between plant traits and ecosystem functions change from year to year. This makes predicting the long-term consequences of biodiversity change extremely difficult, they write in ''Nature Ecology & Evolution''. (2020-10-07)

Plant diversity alleviates the effects of flooding on crops
In grasslands, growing plants in higher diversity fields may help alleviate the negative impacts of flooding. This finding may extend to how we grow important food crops. (2016-10-26)

Smaller plants punch above their weight in the forest, say Queen's biologists
New findings from Queen's University biologists show that in the plant world, bigger isn't necessarily better. (2009-07-14)

Plant diversity increases insect diversity
The more plant species live in grasslands and forests, the more insect species find a habitat there. However, the presence of more plant species does not only increase the number of insect species, but also the number of insect individuals. Simultaneously, animal diversity is not only determined by plant diversity, but also by the physical structure of the plant communities. These results have consequences for the insect-friendly management of grasslands and forests. (2019-04-08)

Research highlights the importance of 'self-DNA' for maintaining diversity among species
In natural plant communities, diversity is maintained by limits set on each plant by itself. This involves a detrimental effect of self-DNA -- DNA from the same species released during decomposition -- on the plant's and its offspring's growth. New research finds that this process not only regulates plant populations but may also be generalized to a range of additional organisms including algae, protozoa, fungi, and animals. (2015-04-20)

Tomatoes resist a parasitic vine by detecting its peptide
Tomato plants deter attacks from a parasitic plant that's known to ravage crops by detecting one of its peptides, a new study reveals. (2016-07-28)

Most plant species important in various and varying ecosystems: ISU research
According to a new analysis of plants in grasslands around the world, 84 percent of plant species are important to their ecosystem. Brian Wilsey and Stanley Harpole, both in Iowa State University's Department of Ecology, Evolution and Organismal Biology, are authors of a study on plant diversity published in today's issue of the journal Nature. The study's lead author, Forest Isbell, is a former graduate student of Wilsey who now works at McGill University, Canada. (2011-08-10)

Plant dominance in the Amazon is shaped by past civilizations
Plants that were domesticated by pre-Columbian peoples are, to this day, much more likely to be dominant in Amazonian forests than other species, a new study reveals. (2017-03-02)

World's botanic gardens contain a third of all known plant species, and help protect the most threatened
The most in-depth species survey to date finds an 'astonishing array' of plant diversity in the global botanic garden network, including 41 percent of all endangered species. However, researchers find a significant imbalance between tropical and temperate plants, and say even more capacity should be given to conservation, as there is 'no technical reason for plant species to become extinct.' (2017-09-25)

New tool helps model forest traits and evolution
Researchers have developed plant, a software framework, to investigate how plant species differing in traits may be able to coexist with one another. (2016-02-22)

New plant species a microcosm of biodiversity
Biologists working in the Andes mountains of Ecuador have described a new plant species, a wild relative of black pepper, that is the sole home of an estimated 40-50 insect species, most of which are entirely dependent on this plant species for survival. This discovery is part of a larger project which focuses on the influence of plant-produced chemical compounds on biodiversity. The study was published in the open access journal PhytoKeys. (2014-02-07)

Heated rivalries for pollinators among arctic plants
Insect pollination is as important to Arctic plants as it is to plants further south. When flowers abound, the plants have to compete for pollinators. Researchers at the University of Helsinki reveal that higher temperatures cause the flowering periods of different plant species to pile up in time. As a consequence, climate change may affect the competitive relationships of plants. (2020-09-11)

Whitefly spreads emerging plant viruses
A tiny whitefly is responsible for spreading a group of plant viruses that cause devastating disease on food, fiber, and ornamental crops, say plant pathologists with the American Phytopathological Society. (2007-01-18)

Why are Australia's shrublands like 'knee-high tropical rainforests'?
A new UdeM study of the flora 'Down Under' breaks new ground by showing that soil biota play an important role in the maintenance of plant diversity in species-rich ecosystems. (2017-01-12)

Manipulating biotope space can enhance beneficial biodiversity effects
Using diverse plant mixtures instead of monocultures can increase yield and other ecosystem goods and services on which humans depend. Recent studies showed that such beneficial effects of biodiversity depend on complementarity between species in resource use, as is the case if species root in different soil depths. Scaled up to agricultural systems this means that benefits of intercropping may be greater on deep soils and that soil erosion may reduce intercropping benefits. (2004-06-10)

University of Exeter research explains the worldwide variation in plant life-histories
A 'window on the tree of life' created by a team which includes a University of Exeter researcher is helping to explain the worldwide variation in plant life-histories. (2015-12-21)

Sowing new seeds of knowledge about the drivers of plant diversity
A new study of Australian wildflower communities is improving understanding of how climatic stress controls plant diversity, based on the strategies different species use to survive, grow and reproduce. (2017-05-17)

Humped-back model of plant diversity withstands controversy
Despite controversy in recent years surrounding the humped-back model (HBM) of plant species richness, which says that plant diversity peaks when the environment is moderately hospitable, a new study using data from six continents provides strong evidence supporting the theory. (2015-07-16)

Boreal forest bends to development but there is a breaking point
Northern Alberta's boreal forest shows a surprising resiliency to human intrusion, but University of Alberta researchers warn the landscape has a definite breaking point. (2012-10-16)

Nitrogen deposition reduces Swiss plant diversity
High human atmospheric nitrogen emissions lead to a reduction of plant diversity. Researchers at the University of Basel analyzed plots all over Switzerland and report that the plant diversity has decreased in landscapes with high nitrogen deposition. The journal Royal Society Open Science has published their results. (2015-04-08)

Symbiotic plants are more diverse, finds new study
A new study published in PNAS finds that when plants develop mutually beneficial relationships with animals, mainly insects, those plant families become more diverse by evolving into more species over time. (2014-11-13)

Thale cress goes on the defensive
Thale cress has a complicated defence technique against insects and microorganisms that use the plant as a source of food. The plant hormone jasmonic acid plays a major role during the immune response against insects and pathogens. Dutch researcher Vivian van Oosten has demonstrated that this does not necessarily lead to the control of the same genes during the various interactions. (2007-05-14)

And one root said to the other root, 'Don't I know you from somewhere?'
Findings show that cycad plants, like other plant species, utilize kin recognition. When planted with non-relatives, Cycas micronesica exhibit competitive growing traits. (2016-08-16)

Measuring plant diversity, predicting vulnerability to invasive species
Rapidly invading plant species from other countries are affecting rangeland conditions and wildlife habitat, forcing more native plants into threatened and endangered status and changing natural wildfire regimes. Because resident native diversity can affect the likelihood of invasion by non-native plants, it is critical that scientists accurately assess the composition of plant communities over large areas. (2006-11-28)

Scientists suggest way to predict the behavior of invasive weeds
Is it possible to predict which nonnative plant species will become invasive weeds and when? According to research featured in the journal Invasive Plant Science and Management, the answer is 'hopefully yes.' And those predictions can lead to more effective and cost-efficient weed management. (2018-01-23)

Invariant properties in coevolutionary networks of plant-animal interactions
The interactions among animal and plant species depict the essence of natural communities: a web of relationships that build up links of mutual dependence. Until now the complexity of this type of ecosystem network escaped scientists' attempt to study them: just imagine all the interactions that can take place in a highly diverse tropical rainforest. (2003-01-06)

Re-thinking plant and insect diversity
New research by biologists at the University of York shows that plant and insect diversity is more loosely linked than scientists previously believed. (2015-10-13)

Butterflies deceive ants using chemical strategies
Oakblue butterflies may use a variety of chemical strategies to deceive ants and avoid their attack. (2015-04-08)

From plant odorant detection to sex pheromone communication
Biologists at Lund University in Sweden are now able to show that the receptors enabling the primitive moth species, Eriocrania semipurpurella, find an individual of the opposite sex, probably evolved from receptors which help the moth perceive the fragrances of plants. (2017-08-25)

Climate change is already causing widespread local extinction in plant and animal species
Extinctions related to climate change have already happened in hundreds of plant and animal species around the world. New research, publishing on Dec. 8 in the open-access journal PLOS Biology, shows that local extinctions have already occurred in 47 percent of the 976 plant and animal species studied. (2016-12-08)

Research shows the impact of invasive plants can linger long after eradication
A new study featured in the journal Invasive Plant Science and Management shows the impact of weedy invaders can linger for years. (2017-05-18)

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