Filters








26 Hits in 10.7 sec

Satellite Based Fraction of Absorbed Photosynthetically Active Radiation Is Congruent with Plant Diversity in India

Swapna Mahanand, Mukunda Dev Behera, Partha Sarathi Roy, Priyankar Kumar, Saroj Kanta Barik, Prashant Kumar Srivastava
2021 Remote Sensing  
A dynamic habitat index (DHI) based on satellite derived biophysical proxy (fraction of absorbed photosynthetically active radiation, FAPAR) was used to evaluate the vegetation greenness pattern across  ...  Overall, the FAPAR-based DHI components across Indian biogeographic regions provided understanding of natural variability of the greenness pattern and its congruence with plant diversity.  ...  A dynamic habitat index (DHI) based on a satellite derived biophysical proxy (fraction of absorbed photosynthetically active radiation, FAPAR) was used to evaluate the vegetation greenness pattern across  ... 
doi:10.3390/rs13020159 fatcat:fhb4pszqevdahfjx5jezsvxsze

Land cover and precipitation controls over long-term trends in carbon gains in the grassland biome of South America

Marcos Texeira, Mariano Oyarzabal, Gervasio Pineiro, Santiago Baeza, Jose Maria Paruelo
2015 Ecosphere  
We generated a spectral database of the fraction of photosynthetically active radiation intercepted by vegetation (fPAR), in order to study long-term trends (i.e., decades)in carbon gains and its spatial  ...  and temporal relationships with precipitation and land cover patterns in Uruguay, which is part of the Rio de la Plata Grasslands, one of the largest temperate grasslands biome of the world.  ...  Increases in the fraction of photosynthetically active radiation intercepted by vegetation (fPAR) derived from PAL data sets were documented for South America by Paruelo et al. (2004) .  ... 
doi:10.1890/es15-00085.1 fatcat:oeimf3eyu5axdnf37byswvcyb4

Global Climate

M. Ades, R. Adler, Rob Allan, R. P. Allan, J. Anderson, Anthony Argüez, C. Arosio, J. A. Augustine, C. Azorin-Molina, J. Barichivich, J. Barnes, H. E. Beck (+167 others)
2020 Bulletin of The American Meteorological Society - (BAMS)  
fraction of absorbed photosynthetically active radiation (FAPAR) estimates (section 2h2).  ...  Gobron Fraction of absorbed photosynthetically active radiation (FAPAR) anomalies exhibited significant regional variations in vegetation conditions worldwide in 2019 (Plate 2.1ae).  ...  ) This work is funded in part by NOAA's Climate Data Record (CDR) Program located in Asheville, NC, at the National Centers for Environmental Information (NCEI).  ... 
doi:10.1175/bams-d-20-0104.1 fatcat:3pjande5xzampgyykbhbh7scki

Multiple Approach for Plant Biodiversity Conservation in Restoring Forests [chapter]

Federico Vessella, Bartolomeo Schirone, Marco Cosimo
2011 Research in Biodiversity - Models and Applications  
active radiation absorbed by leaves (fPAR) (Veroustraete & Myneni, 1996) .  ...  NDVI reflects the chlorophyll and carotenoid content in the leaves (Tucker & Sellers, 1986 ), but it is also related to leaf area index (LAI) (Fassnacht et al., 1997) and the fraction of photosynthetically  ...  Several chapters consider regional aspects of biodiversity in Europe, Asia, Central and South America, among them an approach for monitoring conservation of the regional tropical phytodiversity in India  ... 
doi:10.5772/23971 fatcat:r4mukqwgzjhwfkxmpgupj4ytqi

Assessment of Vegetation Trends in Drylands from Time Series of Earth Observation Data [chapter]

Rasmus Fensholt, Stephanie Horion, Torbern Tagesson, Andrea Ehammer, Kenneth Grogan, Feng Tian, Silvia Huber, Jan Verbesselt, Stephen D. Prince, Compton J. Tucker, Kjeld Rasmussen
2015 Remote Sensing Time Series  
Koch for support with the editing of references.  ...  This chapter is part of research framed by the USGS-NASA Landsat Science Team 2012-2016.  ...  Geophysical variables are defined by a physical unit, a few examples being top-of-the-atmosphere reflectance (TOA), surface reflectance, photosynthetic active radiation, PAR, fraction of absorbed photosynthetic  ... 
doi:10.1007/978-3-319-15967-6_8 fatcat:2cl5kwf33zg7hl2k3syukjpa6q

State of the Climate in 2019

J. Blunden, D. S. Arndt
2020 Bulletin of The American Meteorological Society - (BAMS)  
Editors note: For easy download the posted pdf of the State of the Climate in 2019 is a very low-resolution file. A high-resolution copy of the report is available by clicking here.  ...  January featured an NAO index value of −0.4 that contributed to below-normal temperatures across most of eastern Europe, with anomalies of −1.0°C in Belarus, −0.7°C in Moldova, and −0.5°C in Ukraine.  ...  December 2019 was extremely mild with highest monthly anomalies between +8°C and +10°C in the Arkhangelsk region in northwestern European Russia, with many new records of daily g.  ... 
doi:10.1175/2020bamsstateoftheclimate.1 fatcat:sk6dhlx7kjdaplhmyoa4c764zi

Sensing Methodologies in Agriculture for Monitoring Biotic Stress in Plants Due to Pathogens and Pests

Bhuwan Kashyap, Ratnesh Kumar
2021 Inventions  
biosensing methods, monitoring methods for plant volatiles, and active remote sensing technologies.  ...  This article aims to present the current state of the methodologies applied in the field of agriculture towards the detection of biotic stress in crops.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/inventions6020029 doaj:bad904d96b2b4bc1852ecd689b5fe63d fatcat:k7qcrjbsfnb35kr3jpvnqckpai

Conference program and abstracts. International Biogeography Society 6th Biennial Meeting – 9-13 January 2013, Miami, Florida, USA

Joaquín Hortal, Karen Faller, Kenneth Feeley, Richard Field, Catherine Graham, François Guilhaumon, Daniel Gavin
2012 Frontiers of Biogeography  
The geography of divergence and disparity: how landscapes help understand the decoupling of genetic structure and phenotypic diversity. 43A Assembly of plant communities in climate space Benjamin Blonder  ...  The northeastern region of India is a biodiversity hotspot and harbors around 8% of the global avifaunal diversity.  ...  In North America size of diurnal surface active species increases with temperature, whereas that of nocturnal surface actives and burrowers is temperature-independent.  ... 
doi:10.21425/f5fbg15702 fatcat:lwyauz5kbvcwbmimvei4iota3a

Conservation biology for all

2010 ChoiceReviews  
GAP analysis: a geographic approach to protection of biological diversity. Wildlife Monographs, 123, 1-41. Sellars, R. W. (1997). Preserving nature in the national parks: a history.  ...  The fragmented forest: island biogeography theory and the preservation of biotic diversity. University of Chicago Press, Chicago, Illinois. Hickey, J. J. (1974).  ...  The fraction of introduced species that establish and spread is a matter under active research, but for some organisms it can be high.  ... 
doi:10.5860/choice.48-2055 fatcat:qwhlin7vk5cqllgqrijinrsmka

State of the Climate in 2012

Jessica Blunden, Derek S. Arndt
2013 Bulletin of The American Meteorological Society - (BAMS)  
of absorbed photosynthetically-active radiation, biomass, fire disturbance.  ...  The state of vegetation is examined using estimates of the Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) from 1998 to 2012 (Gobron et al. 2010; Pinty et al. 2011) .  ...  A new maximum sea ice extent was recorded during September (since satellite records began in 1978; see http:// nsidc.org/arcticseaicenews).  ... 
doi:10.1175/2013bamsstateoftheclimate.1 fatcat:rpqvtdtj5vet5ax3ry6d2mggli

Conservative Substitution [chapter]

2008 Encyclopedia of Genetics, Genomics, Proteomics and Informatics  
In the falvonol-rich content, epicatechin actively increases nitric oxide synthesis in the body causing vasodilation and this is beneficial for atherosclerosis.  ...  The basic defect is in a glycosylated transmembrane receptor protein, homologous to Notch of Drosophila.  ...  The EF hand is rather well preserved in a variety of calcium-sensing proteins of diverse functions.  ... 
doi:10.1007/978-1-4020-6754-9_3543 fatcat:okeinuy5rzdwjjuzpgboymhkr4

Cyclosporine [chapter]

2008 Encyclopedia of Genetics, Genomics, Proteomics and Informatics  
In the falvonol-rich content, epicatechin actively increases nitric oxide synthesis in the body causing vasodilation and this is beneficial for atherosclerosis.  ...  The basic defect is in a glycosylated transmembrane receptor protein, homologous to Notch of Drosophila.  ...  The EF hand is rather well preserved in a variety of calcium-sensing proteins of diverse functions.  ... 
doi:10.1007/978-1-4020-6754-9_3993 fatcat:ngxnihgu5nf2job2jdnhsayhme

10th Applied Isotope Geochemistry Conference

2013 Central European Geology  
Sediment and rock samples taken from a research site in New South Wales, Australia were first equilibrated in a fixed volume of dehumidified air and then directly sampled by the LGR mass spectrometer.  ...  In the current work a new method to extract and analyse pore water d 2 H and d 18 O from drill core samples via H 2 O (liquid) -H 2 O (vapour) equilibrium laser spectroscopy is presented.  ...  Averages of target species marked with * are significantly different and those marked with ns are not significantly different from values of the reference species in the same area. part of their N from  ... 
doi:10.1556/ceugeol.56.2013.2-3.1 fatcat:kgsdeqp5mjglpbgr6eju5j2rii

Synthesis of five- and six-membered 2-trimethylsilyl-1,3,3-trimethylcycloalkenes: A novel preparation of alkyl/alkenyl/aryl-(1′,3′,3′-trimethylcyclopentenyl)ketones

Venkatesha Achanna, Hariprasad Suresh
2013 Journal of the Serbian Chemical Society  
and 2-chloro-1,3,3-trimethylcyclohexene with metallic sodium and chlorotrimethylsilane in anhydrous ether solvent.  ...  The Friedel-Crafts acylation reaction of 1,3,3-trimethyl-2-(trimethylsilyl)cyclopentene with six different acid chlorides and the novel preparation of six alkyl/alkenyl/aryl 2,5,5-trimethyl-1-cyclopentenyl  ...  We are also thankful to the NMR Department, Indian Institute of Science -Bangalore, India. Acknowledgment. The author is very much thankful to Prof. (Dr.) S. S.  ... 
doi:10.2298/jsc120501015a fatcat:4ujxxj7b5nfghgcprij6w5e4ve

Grafting acoustic instruments and signal processing: Creative control and augmented expressivity

Dan Overholt
2013 Journal of the Acoustical Society of America  
To achieve this, measurements of reverberation time and support factor of each space are coupled with participant surveys in 10 different Sacred Harp singing locations.  ...  It is traditionally a participatory form of music with no distinction between performers and audience, a characteristic that makes for acoustical requirements that differ considerably from those of a concert  ...  In this study, the high-frequency acoustic signals were collected to evaluate the photosynthetic activity of phytoplankton during a day.  ... 
doi:10.1121/1.4830794 fatcat:2sexsmbypjcozjctnorzoiy7te
« Previous Showing results 1 — 15 out of 26 results