Báo cáo khoa học: "Physical damage on tropical tree saplings: quantification and consequences for competition through height growth in a neotropical rain forest of French Guiana" pdf

... quantification and the effects of physical damage on tree regeneration dynamics in the tropical rain forest. We define physical damage as breakage resul- ting in a greater than ... present throughout the rain forest soil seed bank [21]. It is a light-demanding species Original article Physical damage on tropical tree saplings:...

Ngày tải lên: 08/08/2014, 23:22

... darkening and depression of vascular and bark tissues. The formation of pycnidia on the bark was detected 5 weeks after inoculation. One plant inoculated with P. cinnamomi ... and DE values of each inoculation treatment to check for the time independence of the measurements taken during the assay. After that, one-way analysis of varia...

Ngày tải lên: 08/08/2014, 14:21

... ectomycorrhizal basid- iomycetes in latosol-Terra Firme rain forest and white podzol Campinarana. Acta Amazonica 9, 25-41 Singer R, Araujo IA (1986) Litter decomposing and ecto- mycorrhizal ... tropical rain forests, in spite of the fact that the soil fertility is particulary low in these INTRODUCTION The primary tropical rain forest of...

Ngày tải lên: 08/08/2014, 19:21

... Leu155 and Leu201 (Fig. 2B). Tyr67 in ervatamin -A is replaced by Ala67 in ervatamin-C, and due to this replacement, the S2 cavity of ervatamin-C has a wider opening than that of ervatamin -A and lacks ... 427 Structural insights into the substrate specificity and activity of ervatamins, the papain-like cysteine proteases from a tropical plant, Ervatamia coronaria Rak...

Ngày tải lên: 18/02/2014, 16:20

... skeletal troponins containing similar TnI fragments. On the other hand, the regulatory ability of Akazara scallop troponins dramatically decreased (Fig. 6D), suggesting that Akazara scallop troponin ... (5¢-GTTCC GGATC CTATCTTCTGGCTTCC-3¢), ATnI130F (5¢-GCCAGAA CCATGGCGGAGGAAC-3¢) and ATnI292R, ATnI130F and ATnI252R (5¢-CAAGTTTG GGATCCTATTTGTTAA CTTTTC-3¢), and ATnI232F (5¢-CGAGATTA...

Ngày tải lên: 20/02/2014, 01:20

... plan reasoner. Plan reasoning processes unconventional forms in the same spirit as earlier plan-~ models, finding non-conventional interpretations and motivating many conventional ones. We ... propose a limited version of plan reasoning, based on an original claim about conversational implicatare, which is adequate for filtering conventional interpretations. Section 2 will...

Ngày tải lên: 21/02/2014, 20:20

... PRE a Sequence RCS b II ATGAAACA 1.00 IV tTGAAACA 0.27 c AaGAAACA 0.14 ATaAAACA 0.81 ATcAAACA 0.03 c ATtAAACA 0.01 c ATGcAACA 0.69 ATGgAACA 0.20 c I ATGAgACA 0.02 c ATGAAgCA 0.05 c ATGAAAgA 0.30 III ... substitutions of the central AAA trinucleotide were assayed as in (A) . (C) Combinations of consensus PREs and PREs bearing the indicated mutations were assayed in the same context...

Ngày tải lên: 06/03/2014, 22:21

... English-Russian algorithm lay in the fact that in contrast to all preceding algorithms in which the analysis of the text under translation was realized in terms of a translation into Russian (a category ... steps of which any trans- lation process may consist and of programs cor- responding to these steps. As a result, signifi- cant generalization and standardiz...

Ngày tải lên: 07/03/2014, 18:20

... means that the most significant alterations in grammar rules from the standpoint of natural-language parsing will not be those that affect the formation of particular rules within the same format. ... parse natural-language data adequately, the parsing system has to have not merely some fixed capability of being sensitive to a certain range of contexts but a capacity to in...

Ngày tải lên: 07/03/2014, 18:20

... step in a semantic analysis of Russian predi- cative infinitives would presumably imply an automatic separation of predicative and non-predicative infinitives. Can such a separation be accomplished ... semantic analysis of this high-frequency form of contemporary standard Russian, susceptible to a variety of syntactic functions and semantic connotations, and thus...

Ngày tải lên: 07/03/2014, 18:20