نتایج جستجو برای: tropical evergreen forest

تعداد نتایج: 167876  

Journal: :Environmental pollution 2002
R A Mickler T S Earnhardt J A Moore

The 90,674 wildland fires that burned 2.9 million ha at an estimated suppression cost of $1.6 billion in the United States during the 2000 fire season demonstrated that forest fuel loading has become a hazard to life, property, and ecosystem health as a result of past fire exclusion policies and practices. The fire regime at any given location in these regions is a result of complex interaction...

Journal: :Remote Sensing 2014
Congcong Li Jie Wang Luanyun Hu Le Yu Nicholas Clinton Huabing Huang Jun Yang Peng Gong

This study examines the suitability of 30 m Landsat Thematic Mapper (TM), 250 m time-series Moderate Resolution Imaging Spectrometer (MODIS) Enhanced Vegetation Index (EVI) and other auxiliary datasets for mapping forest extent in China at 30 m resolution circa 2010. We calculated numerous spectral features, EVI time series, and topographical features that are helpful for forest/non-forest dist...

Journal: :Tree physiology 2006
S C Cunningham J Read

Australian rain forests extend from tropical climates in the north to temperate climates in the south, providing an opportunity to investigate physiological responses to temperature of both temperate and tropical species within the same forest type. Eight, rain forest canopy tree species were selected to cover the 33 degrees latitudinal range of rain forests in eastern Australia. Temperature to...

Journal: :Ecological applications : a publication of the Ecological Society of America 2009
J Boone Kauffman R Flint Hughes Chris Heider

Current rates of deforestation and the resulting C emissions in the tropics exceed those of secondary forest regrowth and C sequestration. Changing land-use strategies that would maintain standing forests may be among the least expensive of climate change mitigation options. Further, secondary tropical forests have been suggested to have great value for their potential to sequester atmospheric ...

Journal: :Proceedings. Biological sciences 2012
Samuel B Schmerler Wendy L Clement Jeremy M Beaulieu David S Chatelet Lawren Sack Michael J Donoghue Erika J Edwards

Strong latitudinal patterns in leaf form are well documented in floristic comparisons and palaeobotanical studies. However, there is little agreement about their functional significance; in fact, it is still unknown to what degree these patterns were generated by repeated evolutionary adaptation. We analysed leaf form in the woody angiosperm clade Viburnum (Adoxaceae) and document evolutionaril...

2015
Kundong Bai Chengxin He Xianchong Wan Debing Jiang

The ecophysiological mechanisms underlying the pattern of bimodal elevational distribution of evergreen tree species remain incompletely understood. Here we used leaf economics spectrum (LES) theory to explain such patterns. We measured leaf economic traits and constructed an LES for the co-existing 19 evergreen and 15 deciduous species growing in evergreen broad-leaved forest at low elevation,...

2014
Randeep Singh Devendra Singh Chauhan Sudhanshu Mishra Paul R Krausman Surendra Prakash Goyal

Tropical evergreen forests in northeast India are a biological hot spot for conservation of flora and fauna. Little is known, however, about tiger abundance, which is a flagship species for tropical evergreen forests. Our objective was to document the capture rate and population density of tigers based on spatial explicit capture-recapture (SECR) approaches using camera trap data in an intensiv...

Journal: :Journal of Agriculture and Ecology Research International 2022

Bonai Forest Division (BFD) is enjoying the tropical moist deciduous, dry and semi-evergreen forest. Among biotic abiotic factors, faunal species that are found on forest floor very important. They important members of food chain, feed upon dead decaying matter, after death, add organic matter to soil as a source nutrients for floral communities but there lack in documentation. For better under...

Journal: :Ecological applications : a publication of the Ecological Society of America 2015
Michael Toomey Mark A Friedl Steve Frolking Koen Hufkens Stephen Klosterman Oliver Sonnentag Dennis D Baldocchi Carl J Bernacchi Sebastien C Biraud Gil Bohrer Edward Brzostek Sean P Burns Carole Coursolle David Y Hollinger Hank A Margolis Harry Mccaughey Russell K Monson J William Munger Stephen Pallardy Richard P Phillips Margaret S Torn Sonia Wharton Marcelo Zeri Andrew D And Andrew D Richardson

The proliferation of digital cameras co-located with eddy covariance instrumentation provides new opportunities to better understand the relationship between canopy phenology and the seasonality of canopy photosynthesis. In this paper we analyze the abilities and limitations of canopy color metrics measured by digital repeat photography to track seasonal canopy development and photosynthesis, d...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید