منابع مشابه
Spatial Variations of the Methanogenic Communities in the Sediments of Tropical Mangroves
Methane production by methanogens in mangrove sediments is known to contribute significantly to global warming, but studies on the shift of methanogenic community in response to anthropogenic contaminations were still limited. In this study, the effect of anthropogenic activities in the mangrove sediments along the north and south coastlines of Singapore were investigated by pyrosequencing of t...
متن کاملDiscrimination of Tropical Mangroves at the Species Level with EO-1 Hyperion Data
Understanding the dynamics of mangroves at the species level is the key for securing sustainable conservation of mangrove forests around the globe. This study demonstrates the capability of the hyper-dimensional remote sensing data for discriminating diversely-populated tropical mangrove species. It was found that five different tropical mangrove species of Southern Thailand, including Avicenni...
متن کاملThe Methodology of CIAT's Land Resource Study of Tropical America
CIAT is carrying out an agricultural land resource evaluation of Tropical America to create a base for the effective development and transfer of germplasm oriented technology. The study started in mid-1977 and now covers 850 million ha. It reduces land information to a common base in terms of land systems defined as repetitive patterns of climate, landscape and soils. These are delineated direc...
متن کاملThe Role of Tropical Cyclones in Precipitation Over the Tropical and Subtropical North America
Tropical cyclones (TCs) are essential elements of the hydrological cycle in tropical and subtropical regions. In the present study, the contribution of TCs to seasonal precipitation around the tropical and subtropical North America is examined. When TC activity over the tropical eastern Pacific (TEP) or the Intra Americas Seas (IAS) is below (abovenormal), regional precipitation may be below (a...
متن کاملRecent Observations on " Forestry Tropical _ America • In
. ~ :: During recent months members of the Tropical Forest Research Center staff have travelled to many of the countries of the Caribbean area. The purposes of these -t!'ips have been to see trees, forests, and silvicultural and utilization practices that might be useful in Puerto Rico, to collect data on forest plantations for the Latin American Forestry Commission ofF AO, and to obtain infonn...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Scientific American
سال: 1919
ISSN: 0036-8733
DOI: 10.1038/scientificamerican12271919-388supp