To examine the causes of landscape variation in forest community composition, we have quantified sapling mortality as a function of growth and soil moisture for seven dominant species in transition oak-northern hardwood forests of the northeastern USA. We located saplings in sites that encompassed a wide range of variation in soil moisture and light availability. In mesic conditions, the probab...

The Dipterocarpaceae family is one of the identified plant groups with high conservation value that exist in Weh Island Nature Tourism Park. However, data availability on species diversity and population structure island particular Aceh general still very limited. Thus, it necessary to conduct studies from Island. This study aims obtain abundance diversity, composition each stratum, structure, ...

The present research aims to know the regeneration status of community managed Shorea robusta (Sal) forests; for 6-21 years in Tanahun district, a part Gandaki Province, Nepal. These forests were categorized into two groups according management duration (more than 10 and equal or less yrs). forest was estimated by calculating density each species developmental phase (seedling, sapling tree). to...

the purpose of this present study is recognizing suitable extension methods and techniques influencing utilize knowledge, attitude and skills of natural resources perimeter sustainable management of natural resources. in this research sustainable management of natures resources is to struggle for prevention of changing renewable nature resources to lands agricultural, prevention of use more fro...

The paper focused on the height structure of Scots pine saplings affected by (1) retained solitary pine trees or (2) a pine-dominated edge stand. The study material in (1) and (2) consisted of ten separate regeneration areas in southern Finland. In (1) 2-m radius study plots were located at 1, 3, 6 and 10 m distances from 10 systematically selected, solitary retained trees in each stand. In (2)...

1. Over three growing seasons, we tested how an invasive tree species ( Acer platanoides ) affected native plant growth in understorey communities of a suburban forest in central New Jersey, USA. We planted similar aged and sized saplings ( ≥ 0.25 m tall) into experimental plots identified with one of three treatments (0%, 25% and 50% of total stems are invasive species) and hypothesized native...

Although it is well known that fire can exert strong control on stand structure, composition, and dynamics in savannas and woodlands, the relationship between fire frequency and stand structure has been characterized in few of the world’s savanna and woodland ecosystems. To address this issue in temperate oak-dominated ecosystems, we studied the effects of fire frequency on stand structure and ...