𝔖 Bobbio Scriptorium
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Slow movements of the soil

Publisher
Elsevier Science
Year
1884
Tongue
English
Weight
125 KB
Volume
117
Category
Article
ISSN
0016-0032

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✦ Synopsis

Slow 2]Iove~ents of the Soil.

467 Aurora Borealis at Behring Strait.--Nordenskjold has published his observations of the aurora bore'tlis on the Vega, during the winter of 1878-9. They lead him to conclude that even during the years of least auroral intensity, the globe is surrounded by a luminous corona, which is nearly constant, and which may be simple, double, or multiple. While the Vec/a was in its winter quarters the corona was

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Modelling the movement of a soil insect
Modelling the movement of a soil insect
✍ Magnus Wiktorsson; Tobias RydΓ©n; Elna Nilsson; GΓΆran Bengtsson πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 438 KB

We use a linear autoregressive model to describe the movement of a soil-living insect, Protaphorura armata (Collembola). Models of this kind can be viewed as extensions of a random walk, but unlike a correlated random walk, in which the speed and turning angles are independent, our model identifies