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Phosphorus (P) is commonly one of most limiting nutrients in tropical and subtropical forests, but whether P limitation would be exacerbated during forest succession remains unclear. Soil phosphatase activity is often used as an indicator of P limitation. Here we examined soil acid phosphatase activity (APA) underneath tree species in pine forest (PF),(More)
The growth rate of atmospheric carbon dioxide (CO2) concentrations since industrialization is characterized by large interannual variability, mostly resulting from variability in CO2 uptake by terrestrial ecosystems (typically termed carbon sink). However, the contributions of regional ecosystems to that variability are not well known. Using an ensemble of(More)
A mass correlation of central black holes and their spheroids ∼ 0.002 (within a factor of three) is suggested by Hubble Space Telescope (HST) and various ground-based CCD photometries of early type galaxies. The near-IR images of quasar hosts and the emission line measurements of Broad Line Region for bright QSOs present a similar correlation, which(More)
The diurnal trends of gas exchange and chlorophyll fluorescence parameters in four Lycoris species (L. houdyshelii, L. aurea, L. radiata var. pumila and L. albiflora) were determined and compared with a portable photosynthesis analysis system. Our study revealed that L. houdyshelii had the lowest light compensation point (LCP), while the other three species(More)
The tight correlation between the masses of central black holes and their host spheroids in nearby galaxies and active galactic nuclei (AGN) suggests that black hole growth is closely related to their spheroid formation. Based on our previous work regarding such a joint evolutionary scheme and the consequential black hole to bulge mass correlation, we use(More)
Contribution of starburst mergers at z ∼ 1 to the strong evolution of infrared and submillimeter deep surveys Abstract. Recent far-infrared and submillimetre waveband observations revealed huge amount of Ultraluminous Infrared Galaxies (ULIGs) with infrared luminosities > 10 12 L⊙. These sources are proposed to lie at redshift above one, and normally(More)
This paper presents the first description of the morphology of Demodex brevis examined by scanning electron microscopy. The authors found that D. brevis can be distinguished from D. folliculorum by the characteristic features of the following structures: the flat gnathosoma, the humplike podosoma and the absence of transverse striation on its anterior(More)
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