, 2004 The transverse proximity effect is the expected decrease in the strength of the Lya forest absorption in a QSO spectrum when another QSO lying close to the line of sight enhances the photoionization rate above that due to the average cosmic ionizing ...
Antonucci R. +7 more
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A Role of Newspaper «Evening Kiev» in Honouring of Memory of Political Repressions Victims Buried in Bykivnya [PDF]
Storìnki Istorìï, 2016 In the article opens up, what role was played by mass medias in opening of information about the soviet totalitarian mode crimes during Perestroika. The publications in the «Evening Kiev» newspaper about the victims of political repressions buried in ...
S. Osipchuk
doaj
Decline in Giant Tree Numbers: Status Report for Santa Catarina State and Perspectives for Brazil
Floresta e Ambiente, 2019 Loss of large trees due to indiscriminate timber cutting and opening of new areas for human use is a global problem. Brazil is well known for tree species richness within its extensive forested areas composed of various biomes.
Marcelo Callegari Scipioni +3 more
doaj +1 more source
Constraints on Quasar Lifetimes and Beaming from the HeII Lyman-alpha Forest
, 2010 We show that comparisons of HeII Lyman-alpha forest lines of sight to nearby quasar populations can strongly constrain the lifetimes and emission geometry of quasars.
Adam Lidz +28 more
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Comparative Study on Prediction Models for Crack Opening Degree in Concrete Dam
Renmin ZhujiangIn recent years, classical statistical models and machine learning models have been developed in parallel in the field of dam safety monitoring. However, there are some deficiencies in the predictive power of the former and the theoretical explanation of
HUANG Song +6 more
doaj +2 more sources
Methodology for Development of Secondary Forest Traffic Infrastructure Cadastre
Croatian Journal of Forest Engineering, 2008 Nowadays, under conditions in which forest areas are being opened with increasing number of forest roads due to great need for forest resources, the need for a well-kept system of forest roads becomes a necessary prerequisite in the process of ...
Tibor Pentek +5 more
doaj
Ungulate impacts on herbaceous‐layer plant communities in even‐aged and uneven‐aged managed forests
Ecosphere, 2016 Forest management and ungulate herbivory are extant drivers of herbaceous‐layer community composition and diversity. We conducted a white‐tailed deer (Odocoileus virginianus) exclosure experiment across a managed landscape to determine how deer impacts ...
Bryan D. Murray +4 more
doaj +1 more source
PRIVATE FOREST DEVELOPMENT PROSPECT IN JAYAPURA REGENCY, PAPUA
Jurnal Penelitian Sosial dan Ekonomi Kehutanan, 2010 Land availability in Jayawijaya District is not directly opening the opportunity for developing community forest in this region. The main factors that influencing the success of community forest development are the selection of appropriate species, the ...
Irma Yeny, Sandhi Imam Maulana
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Aeolian activity in a Urewera catchment [PDF]
, 1967 Analyses of sedimentary deposits on the Otapora flat and adjacent flood plain areas of Whakatane River demonstrate that aeolian activity is important even in a humid (BB'r) forested Catchment. The importance of relief and wind conditions are shown.
Cochrane, G. Ross
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Determining Presence/Absence and Abundance of Declining Shrubland-Dependent Songbirds in Human-created Shrublands in Southeastern New Hampshire [PDF]
, 2016 Shrubland habitat and wildlife species have been declining throughout most of New England since the 1950s. Many songbirds have been declining at a rate of 4 to 7 percent per year in New England, and these species require large openings to breed.
Gibson Kerr, Jenny Leigh, Holm, Erica
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