Sentence examples for based on tree survival from inspiring English sources
Effects of fire severity (estimates based on tree survival) on carabids were species-specific; however, the impact of this measure was most often significant at the site, and not at the landscape, level.
During 2003 2004 we carried out transect counts in 24 landscape units (625 ha each) that varied in pre-fire amount of merchantable mixed-wood (low = 7 15% and high = 25 35% of the unit area), salvage logging intensity (from control = no salvaging to high = 60 70% of merchantable mixed-wood harvested) and burn severity (estimates based on tree survival after fire).
Based on tree topology, two putative R-Smads were identified.
The positive effect of increased retention level on tree survival was strongest for trees with larger diameter and longer crowns.
The models based on the survival tree growing were fit using the 'Rpart' software library developed by Therneau and Atkinson (1997).
Mortality calculations were based on annual survival probability, θ, of individual trees, calculated from the number of trees, N, in the first census, and the number of survivors, S, after t years.
Since the gene tree was different from the species tree, analyses were done based on gene tree as well as the species tree.
The species tree was based on the Tree of Life phylogeny [ 51] and NCBI taxonomy [ 52].
In this section, a tree-based method for censored data including long-term survivors is developed, based on cure survival regression.
