Today, long-term retrospective assessments of pollen concentrations are based on a limited number of longin-situobservation time series17,18,19, whose representativeness for other regions is often unclear. The only pollen-related modelling study covering several decades was made for birch and grass w...
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If you want to know what kind of pollen is in the air today, the klarify app can give you all the info you need. Check to see which pollen is at the highest level and you'll be all set to plan your activities. Get updates and pollen alerts so you can be prepared when the leve...
Our data are also supported by previous work showing that the mechanism behind the perception and subsequent upstream regulation of plant responses to UV-B is controlled at the genetic level across widely spaced phylogenetic groups25,26. Taken together these multiple lines of evidence suggest that ...
"The grass pollen season is June and July and GCSE and A-level … Read the full-text article, try us out FREE today Article details Publication: Daily Post (Liverpool, England) Date: June 28, 2011 Interact with this article Easy bookmarks Highlight and save Add notes Cite instantly Open...
Summers were also more than 2掳C warmer than today with a high level of confidence north of the Polar Circle and in central Mongolia. In the mid-latitudes of Siberia, in northern Kazakhstan and around the Black and the Caspian seas, 6 ka summers were significantly cooler than today. The ...
Mexico City is located in the south-central region of the country and lies within the basin of the Valley of Mexico at the coordinates 99°12′07″ W and 19°24′38″ N and an altitude of 2292 meters above sea level (m.a.s.l.). The city is surrounded by mountains except for the...
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the highest level of the solvent column above the pollen was 5 cm, and an extraction cycle took about 5 min. In the thicker one, with an inner diameter of 6.5 cm, the height of the pollen column was 6 cm, the highest level of the solvent column above the pollen was 10 cm, and a...
Adventitious presence (AP) is the low level presence of genetically engineered seeds in conventional and organic seeds, in addition to other unwanted materials [53]. Commingling has long been acknowledged and thresholds for AP have been established in conventionally grown crops. However, more recently...