搜索结果: 1-10 共查到“理学 snail”相关记录10条 . 查询时间(0.062 秒)
New native Hawaiian land snail species discovered（图）
New native Hawaiian land snail species discovered
2020/7/31
Scientists at the Florida Museum of Natural History and other institutions have discovered a new native Hawaiian land snail species, sounding a rare, hopeful note in a story rife with extinc...
3D characteristics of ADCP echo intensity anomaly observed over the Snail, Archean, and Pika hydrothermal vent fields in the South Mariana Trough
South Mariana Trough hydrothermal plume AUV 3D mapping ADCP echo intensity
2017/4/10
We conducted four dives using the Urashima autonomous underwater vehicle (AUV) over three hydrothermal vent
fields (Snail, Archean, and Pika) within the South Mariana Trough in July 2009, and measure...
Snail shells show high-rise plateau is much lower than it used to be
Snail's shell high-rise climate
2014/10/9
The Tibetan Plateau in south-central Asia, because of its size, elevation and impact on climate, is one of the world’s greatest geological oddities.
The Zhada Basin on the southwest Tibetan Plateau, ...
Dispersal at a Snail’s Pace: Historical Processes Affect Contemporary Genetic Structure in the Exploited Wavy Top Snail (Megastraea undosa)
fisheries larval dispersal management
2015/12/11
We used population genetics to assess historical and modern demography of the exploited wavy top snail, Megastraea undosa,
which has a 5–10 day pelagic larval duration. Foot tissue was sampled from ...
Tiny snails sitting on the ocean floor might seem defenseless against a large, determined predator such as a crab. But evolution has provided one species of sea snail with a unique iron-plated armored...
Snail shell spiral switched（图）
Snail shell embryo structure the physical appearance snail newborns
2009/12/8
Researchers in Japan have altered the destiny of a rout of snails by changing the chirality of their shells before birth. By delicately manipulating a batch of developing embryos, the scientists succe...
The present distribution and issues regarding the control of the exotic snail Potamopyrgus antipodarum in Japan
distribution vector
2009/4/1
The New Zealand mudsnail Potamopyrgus antipodarum is now on record from 15 prefectures of Japan, including the Hokkaido, Honshu and Kyushu islands. Due to its invasiveness, this species should be care...
Food Utilisation in a Laboratory Colony of the Giant African Land Snail, Archachatina marginata (Swainson) (Pulmonata: Achatinidae)
Food utilisation growth laboratory colony land snail Archachatina marginata
2010/3/26
This study investigates food consumption by juveniles and adults of the edible giant land snail Archachatina marginata under laboratory conditions. In one experiment, the snails were fed weekly from h...
The effects of grazing by the snail, Lymnaea elodes, on benthic N2 fixation and primary production in oligotrophic, arctic lakes
snail Lymnaea elodes on benthic N2 fixation primary production oligotrophic arctic lakes
2014/4/21
This study assessed whether grazing by the snail, Lymnaea elodes, limits benthic dinitrogen (N2) fixation and primary production in nitrogen (N)-limited oligotrophic lakes near Toolik Field Station on...
The Larval Development Stages of the Japanese Snail, Rapana thomasiana, Gross 1861, in the Egg Capsule
Japanese snail Rapana thomasiana Gross 1861 Larval development Black Sea
2010/3/30
In the present study, the larval development stages in the egg capsule of the Japanese snail (Rapana thomasiana, Gross 1861), distributed in the Black Sea were investigated. At the moment of capsule r...