Recent changes in the number of spoon-billed sandpipers Calidris pygmaea wintering on the Upper Gulf of Mottama in Myanmar
Sign Up to like & getrecommendations! Published in 2018 at "Oryx"
DOI: 10.1017/s0030605318000698
Abstract: Abstract The spoon-billed sandpiper Calidris pygmaea, a migratory Arctic-breeding shorebird, is one of the rarest birds and its population has declined since the 1970s. We surveyed its most important known wintering area in the Upper… read more here.
Keywords: spoon; upper gulf; mottama; spoon billed ... See more keywords
Optimized Design and Experiment on Novel Combination Vacuum and Spoon Belt Metering Device for Potato Planters
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Problems in Engineering"
DOI: 10.1155/2020/1504642
Abstract: To improve the efficient and precise seeding of potatoes, a novel combination vacuum and spoon belt metering device was designed. The overall structure and working principle of vacuum and spoon belt metering devices were illustrated… read more here.
Keywords: seed; spoon; seed index; metering device ... See more keywords