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Current Biology, 2009 SummaryThe illegal removal and sale of tropical timber is one of the most damaging environmental problems, but a company has developed DNA techniques it hopes will better track trees' provenance. Nigel Williams reports.
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Time since fire and prior fire interval shape woody debris dynamics in obligate‐seeder woodlands
Ecosphere, 2019 Woody debris plays an important role in many ecosystem functions, including nutrient and carbon cycling, providing substrates for plant recruitment and habitat for fauna.
Carl R. Gosper +3 more
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Summing threshold logs in a parton shower [PDF]
, 2016 When parton distributions are falling steeply as the momentum fractions of the partons increases, there are effects that occur at each order in $\alpha_s$ that combine to affect hard scattering cross sections and need to be summed.
Nagy, Zoltan, Soper, Davison E.
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Current: The Journal of Marine Education, 2020 This editor’s note reflects on current events, life during a pandemic, and parenthood. It thanks educators for the work they do and invites feedback on the journal.
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Defining Petrophysical Units of the Palmer Deep Sites from Leg 178 [PDF]
, 2002 Palmer Deep, on the inner continental shelf southwest of Anvers Island off the Antarctic Peninsula, is a glacially overdeepened basin consisting of three subbasins. Two sites, 1098 and 1099, were drilled in the Palmer Deep area.
Evans, A.J. +2 more
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A converse to the log-log law for Martingales [PDF]
Journal of the Australian Mathematical Society, 1974 For sums of independent and identically distributed random variables xn, the HartmanWintner law of the iterated logarithm is equivalent to xn ∈ L2. We show that this is also true when the xn, form a stationary, ergodic martingale difference sequence. This is accomplished by extending a theorem of Volker Strassen to the present context.
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Double-logs, Gribov-Lipatov reciprocity and wrapping [PDF]
, 2011 We study analytical properties of the five-loop anomalous dimension of twist-2 operators at negative even values of Lorentz spin. Following L. N. Lipatov and A. I.
AV Kotikov +69 more
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Bell Numbers, Log-Concavity, and Log-Convexity [PDF]
Acta Applicandae Mathematica, 2000 Let $\{b_{k}(n)\}_{n=0}^{\infty}$ be the Bell numbers of order $k$. It is proved that the sequence $\{b_{k}(n)/n!\}_{n=0}^{\infty}$ is log-concave and the sequence $\{b_{k}(n)\}_{n=0}^{\infty}$ is log-convex, or equivalently, the following inequalities hold for all $n\geq 0$, $$1\leq {b_{k}(n+2) b_{k}(n) \over b_{k}(n+1)^{2}} \leq {n+2 \over n+1 ...
Hui-Hsiung Kuo +2 more
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Kakovost bukovine v Sloveniji – trenutno stanje in pričakovane spremembe ob sanaciji žledoloma
Les, 2017 Beech is a predominant tree species in Slovenian forests, and together with spruce they represent as much as two-thirds of the total growing stock. As a predominant tree species, it will be one of the key factors in the selection and planning of wood ...
Jurij Marenče +2 more
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Detailed stratigraphic correlation of the Neogene sedimentary sequences on the Ontong Java Plateau by well logging; ODP Sites 803, 805, 806, 807, and DSDP Site 586 [PDF]
, 1993 We used well logs, in some cases combined with shipboard physical properties measurements to make more complete profiles and to correlate between sites on the Ontong Java Plateau.
Lyle, Mitchell +2 more
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