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Climate change plant distribution

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https://www.readbyqxmd.com/read/29155464/both-life-history-plasticity-and-local-adaptation-will-shape-range-wide-responses-to-climate-warming-in-the-tundra-plant-silene-acaulis
#1
Megan L Peterson, Daniel F Doak, William F Morris
Many predictions of how climate change will impact biodiversity have focused on range shifts using species-wide climate tolerances, an approach that ignores the demographic mechanisms that enable species to attain broad geographic distributions. But these mechanisms matter, as responses to climate change could fundamentally differ depending on the contributions of life history plasticity vs local adaptation to species-wide climate tolerances. In particular, if local adaptation to climate is strong, populations across a species' range - not only those at the trailing range edge - could decline sharply with global climate change...
November 20, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29148825/on-the-growth-and-detectability-of-land-plants-on-habitable-planets-around-m-dwarfs
#2
Duo Cui, Feng Tian, Yuwei Wang, Changshen Li, Chaoqing Yu, Le Yu
One signature of life on Earth is the vegetation red edge (VRE) feature of land plants, a dramatic change of reflectivity at wavelength near 0.7 μm. Potentially habitable planets around M dwarfs are tidally locked, which can limit the distribution of land plants. In this study, we used a biogeochemical model to investigate the distribution of land plants on potentially habitable planets around M dwarfs driven by climate data produced in a general circulation model (GCM). When considering the effects of clouds, the observation time needed for VRE detection on nearby p = 1 exoplanets around nearby M dwarfs is on the order of days using a 25 m(2) telescope if a large continent faces Earth during observations...
November 17, 2017: Astrobiology
https://www.readbyqxmd.com/read/29136659/predicting-the-distributions-of-egypt-s-medicinal-plants-and-their-potential-shifts-under-future-climate-change
#3
Emad Kaky, Francis Gilbert
Climate change is one of the most difficult of challenges to conserving biodiversity, especially for countries with few data on the distributions of their taxa. Species distribution modelling is a modern approach to the assessment of the potential effects of climate change on biodiversity, with the great advantage of being robust to small amounts of data. Taking advantage of a recently validated dataset, we use the medicinal plants of Egypt to identify hotspots of diversity now and in the future by predicting the effect of climate change on the pattern of species richness using species distribution modelling...
2017: PloS One
https://www.readbyqxmd.com/read/29132298/population-genetic-structure-is-shaped-by-historical-geographic-and-environmental-factors-in-the-leguminous-shrub-caragana-microphylla-on-the-inner-mongolia-plateau-of-china
#4
Bo Xu, Guoli Sun, Xuemin Wang, Jingwei Lu, Ian J Wang, Zan Wang
BACKGROUND: Understanding how landscape factors, including suites of geographic and environmental variables, and both historical and contemporary ecological and evolutionary processes shape the distribution of genetic diversity is a primary goal of landscape and conservation genetics and may be particularly consequential for species involved in ecological restoration. In this study, we examine the factors that shape the distribution of genetic variation in a leguminous shrub (Caragana microphylla) important for restoration efforts on the Mongolian Plateau in China...
November 13, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29127793/pest-management-under-climate-change-the-importance-of-understanding-tritrophic-relations
#5
REVIEW
V Castex, M Beniston, P Calanca, D Fleury, J Moreau
Plants and insects depend on climatic factors (temperature, solar radiation, precipitations, relative humidity and CO2) for their development. Current knowledge suggests that climate change can alter plants and insects development and affect their interactions. Shifts in tritrophic relations are of particular concern for Integrated Pest Management (IPM), because responses at the highest trophic level (natural enemies) are highly sensitive to warmer temperature. It is expected that natural enemies could benefit from better conditions for their development in northern latitudes and IPM could be facilitated by a longer period of overlap...
November 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29126631/antioxidant-response-to-heat-stress-in-seagrasses-a-gene-expression-study
#6
O Tutar, L Marín-Guirao, J M Ruiz, G Procaccini
Seawater warming associated to the ongoing climate change threatens functioning and survival of keystone coastal benthic species such as seagrasses. Under elevated temperatures, the production of reactive oxygen species (ROS) is increased and plants must activate their antioxidant defense mechanisms to protect themselves from oxidative damage. Here we explore from a molecular perspective the ability of Mediterranean seagrasses to activate heat stress response mechanisms, with particular focus on antioxidants...
October 27, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29120516/carbon-cycle-confidence-and-uncertainty-exploring-variation-among-soil-biogeochemical-models
#7
William R Wieder, Melannie D Hartman, Benjamin Sulman, Ying-Ping Wang, Charles D Koven, Gordon B Bonan
Emerging insights into factors responsible for soil organic matter stabilization and decomposition are being applied in a variety of contexts, but new tools are needed to facilitate the understanding, evaluation and improvement of soil biogeochemical theory and models at regional to global scales. To isolate the effects of model structural uncertainty on the global distribution of soil carbon stocks and turnover times we developed a soil biogeochemical testbed that forces three different soil models with consistent climate and plant productivity inputs...
November 9, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29118633/checklist-of-the-freshwater-fishes-of-colombia-a-darwin-core-alternative-to-the-updating-problem
#8
Carlos DoNascimiento, Edgar Esteban Herrera-Collazos, Guido A Herrera-R, Armando Ortega-Lara, Francisco A Villa-Navarro, José Saulo Usma Oviedo, Javier A Maldonado-Ocampo
The present work is part of a process to create a Catalogue of the Freshwater Fishes of Colombia and consisted in the depuration and updating of the taxonomic and geographic components of the checklist of the freshwater fishes of Colombia. An exhaustive revision of the 1435 species recorded in 2008 was necessary to: 1. Add new species described since 2009 and species originally described from Colombia but inadvertently omitted in 2008; 2. Add new records of already described species; 3. Delete species whose presence in Colombia was not supported by voucher specimens in ichthyological collections; and 4...
2017: ZooKeys
https://www.readbyqxmd.com/read/29112781/lags-in-the-response-of-mountain-plant-communities-to-climate-change
#9
Jake M Alexander, Loïc Chalmandrier, Jonathan Lenoir, Treena I Burgess, Franz Essl, Sylvia Haider, Christoph Kueffer, Keith McDougall, Ann Milbau, Martin A Nuñez, Aníbal Pauchard, Wolfgang Rabitsch, Lisa J Rew, Nathan J Sanders, Loïc Pellissier
Rapid climatic changes and increasing human influence at high elevations around the world will have profound impacts on mountain biodiversity. However, forecasts from statistical models (e.g. species distribution models) rarely consider that plant community changes could substantially lag behind climatic changes, hindering our ability to make temporally realistic projections for the coming century. Indeed, the magnitudes of lags, and the relative importance of the different factors giving rise to them, remain poorly understood...
November 7, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29098819/-prediction-of-the-potential-distribution-of-tibetan-medicinal-lycium-ruthenicum-in-context-of-climate-change
#10
Li Lin, Ling Jin, Zhen-Heng Wang, Zhi-Jia Cui, Yi Ma
To predict the suitable distribution patterns of Lycium ruthenicum in the present and future under the background of climate change, and provide reference for the resources sustainable utilization and GAP standardized planting. The software of Maxent and ArcGis was used to predict the potential suitable regions and grades of L. ruthenicum in China based on the 149 distribution information, climate data of contemporary (1950-2000) and future (20-80 decade of 21 century), and considering of three greenhouse gaseous emission scenario...
July 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29082751/temporal-and-spatial-distribution-of-isotopes-in-river-water-in-central-europe-50-years-experience-with-the-austrian-network-of-isotopes-in-rivers
#11
Dieter Rank, Stefan Wyhlidal, Katharina Schott, Silvia Weigand, Armin Oblin
The Austrian network of isotopes in rivers comprises about 15 sampling locations and has been operated since 1976. The Danube isotope time series goes back to 1963. The isotopic composition of river water in Central Europe is mainly governed by the isotopic composition of precipitation in the catchment area; evaporation effects play only a minor role. Short-term and long-term isotope signals in precipitation are thus transmitted through the whole catchment. The influence of climatic changes has become observable in the long-term stable isotope time series of precipitation and surface waters...
October 28, 2017: Isotopes in Environmental and Health Studies
https://www.readbyqxmd.com/read/29080673/inferring-the-demographic-history-of-an-oligophagous-grasshopper-effects-of-climatic-niche-stability-and-host-plant-distribution
#12
Víctor Noguerales, Pedro J Cordero, Joaquín Ortego
Understanding the consequences of past environmental changes on the abiotic and biotic components of the landscape and deciphering their impacts on the demographic trajectories of species is a major issue in evolutionary biogeography. In this study, we combine nuclear and mitochondrial genetic data to study the phylogeographical structure and lineage-specific demographic histories of the scrub-legume grasshopper (Chorthippus binotatus binotatus), a montane taxon distributed in the Iberian Peninsula and France that exclusively feeds on certain scrub-legume species...
October 26, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29071064/reducing-shade-avoidance-responses-in-a-cereal-crop
#13
Wibke Wille, Christian B Pipper, Eva Rosenqvist, Sven B Andersen, Jacob Weiner
Several researchers have hypothesized that shade avoidance behaviour is favoured by natural selection because it increases the fitness of individuals. Shade avoidance can be disadvantageous for crops, however, because it reduces allocation of resources to reproductive yield, increases the risk of lodging and reduces weed suppression. One approach to develop varieties with reduced shade avoidance and enhanced agronomic performance is by inducing mutations followed by phenotypic screening. We treated spring wheat seeds with ethyl methanesulfonate and screened the seedlings repeatedly under green filters for plants showing reduced elongation of the first leaf sheath and second leaf lamina...
September 2017: AoB Plants
https://www.readbyqxmd.com/read/29062605/influence-of-current-climate-historical-climate-stability-and-topography-on-species-richness-and-endemism-in-mesoamerican-geophyte-plants
#14
Victoria Sosa, Israel Loera
BACKGROUND: A number of biotic and abiotic factors have been proposed as drivers of geographic variation in species richness. As biotic elements, inter-specific interactions are the most widely recognized. Among abiotic factors, in particular for plants, climate and topographic variables as well as their historical variation have been correlated with species richness and endemism. In this study, we determine the extent to which the species richness and endemism of monocot geophyte species in Mesoamerica is predicted by current climate, historical climate stability and topography...
2017: PeerJ
https://www.readbyqxmd.com/read/29054633/climate-change-tourism-and-historical-grazing-influence-the-distribution-of-carex-lachenalii-schkuhr-a-rare-arctic-alpine-species-in-the-tatra-mts
#15
Patryk Czortek, Anna Delimat, Marcin K Dyderski, Antoni Zięba, Andrzej M Jagodziński, Bogdan Jaroszewicz
Mountain vegetation is highly specialized to harsh climatic conditions and therefore is sensitive to any change in environment. The rarest and most vulnerable plants occurring in alpine regions are expected to respond rapidly to environmental changes. An example of such a species is Carex lachenalii subsp. lachenalii Schkuhr, which occurs in Poland on only a few isolated sites in the Tatra Mts. The aim of this study was to assess changes in distribution of C. lachenalii in the Tatra Mts over the past 50-150years and the effects of climate change, tourism and historical grazing on the ecological niche of C...
October 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29051522/marine-biogeographic-realms-and-species-endemicity
#16
Mark J Costello, Peter Tsai, Pui Shan Wong, Alan Kwok Lun Cheung, Zeenatul Basher, Chhaya Chaudhary
Marine biogeographic realms have been inferred from small groups of species in particular environments (e.g., coastal, pelagic), without a global map of realms based on statistical analysis of species across all higher taxa. Here we analyze the distribution of 65,000 species of marine animals and plants, and distinguish 30 distinct marine realms, a similar proportion per area as found for land. On average, 42% of species are unique to the realms. We reveal 18 continental-shelf and 12 offshore deep-sea realms, reflecting the wider ranges of species in the pelagic and deep-sea compared to coastal areas...
October 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/29046544/palaeoclimate-explains-a-unique-proportion-of-the-global-variation-in-soil-bacterial-communities
#17
Manuel Delgado-Baquerizo, Andrew Bissett, David J Eldridge, Fernando T Maestre, Ji-Zheng He, Jun-Tao Wang, Kelly Hamonts, Yu-Rong Liu, Brajesh K Singh, Noah Fierer
The legacy impacts of past climates on the current distribution of soil microbial communities are largely unknown. Here, we use data from more than 1,000 sites from five separate global and regional datasets to identify the importance of palaeoclimatic conditions (Last Glacial Maximum and mid-Holocene) in shaping the current structure of soil bacterial communities in natural and agricultural soils. We show that palaeoclimate explains more of the variation in the richness and composition of bacterial communities than current climate...
September 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/29027426/-projection-of-potential-geographic-distribution-of-apocynum-venetum-under-climate-change-in-northern-china
#18
Hui-Feng Yang, Jiang-Hua Zheng, Xiao-Guang Jia, Xiao-Jin Li
Apocynum venetum belongs to apocynaceae and is a perennial medicinal plant, its stem is an important textile raw materials. The projection of potential geographic distribution of A. venetum has an important significance for the protection and sustainable utilization of the plant. This study was conducted to determine the potential geographic distribution of A. venetum and to project how climate change would affect its geographic distribution. The projection geographic distribution of A. venetum under current bioclimatic conditions in northern China was simulated using MaxEnt software based on species presence data at 44 locations and 19 bioclimatic parameters...
March 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29026511/both-seed-germination-and-seedling-mortality-increase-with-experimental-warming-and-fertilization-in-a-subarctic-tundra
#19
Ann Milbau, Nicolas Vandeplas, Fred Kockelbergh, Ivan Nijs
Climate change is expected to force many species in arctic regions to migrate and track their climatic niche. This requires recruitment from seed, which currently shows very low rates in arctic regions, where long-lived and vegetatively reproducing plants dominate. Therefore, we pose the question whether recruitment (germination and seedling establishment) in arctic regions will significantly improve in a warmer world, and thus allow species to follow their climatic niche. We used a full factorial experiment to examine if realistic warmer temperatures (+3 °C; infrared radiation) and increased nitrogen availability (+1...
September 2017: AoB Plants
https://www.readbyqxmd.com/read/29026169/potential-impacts-of-climate-change-on-habitat-suitability-for-the-queensland-fruit-fly
#20
Sabira Sultana, John B Baumgartner, Bernard C Dominiak, Jane E Royer, Linda J Beaumont
Anthropogenic climate change is a major factor driving shifts in the distributions of pests and invasive species. The Queensland fruit fly, Bactrocera tryoni Froggatt (Qfly), is the most economically damaging insect pest of Australia's horticultural industry, and its management is a key priority for plant protection and biosecurity. Identifying the extent to which climate change may alter the distribution of suitable habitat for Qfly is important for the development and continuation of effective monitoring programs, phytosanitary measures, and management strategies...
October 12, 2017: Scientific Reports
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