Refine your search
Collections
Co-Authors
Journals
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Ram, Jeet
- Ecology and Regeneration of Carpinus viminea Wall : a Lesser Known Tree Species of the Himalaya
Abstract Views :281 |
PDF Views:0
Uttarakhand, Himalayas
Authors
Source
Indian Forester, Vol 135, No 4 (2009), Pagination: 559-570Abstract
The study species, Carpinus viminea Wall, family Betulaceae, is a medium sized, lesser known, deciduous tree species distributed mainly between 1,800-2,400m elevations in Uttarakhand. It occurs mainly as an under-story species in moist Himalayan temperate forests. The objectives of the present study were to determine the ecological assemblage, seasonal changes, germination and seedling growth. Four study sites between 1,920 and 2,280m altitude were selected for the study. Vegetation characteristics indicated that the species had 33.8±10.8 ind ha-1mean tree density and 1.5±0.4 m2ha-1 mean basal area. Distribution pattern indicated that the species were contiguously distributed. Phenology indicated that leaf fall is completed before seed dispersal. All phenophases delayed towards higher elevations except leaf fall and seed dispersal which is earlier at higher elevation. Seeds germinated from different sitesresponded differently (P<0.001) to germination. Similarly, germination also varied significantly (F= 50.1, P<0.001) in different conditions. It was greater in seed germinator (T1)and least in open nursery conditions (T3). Highest germination was found in seeds of maturity periods (P0), whereas, seedling growth, biomass and survival were greater at P2 storage i.e. 6 months storage. To increase germination in open nursery conditions seeds can be sown in germination trays by adding lime between February and May. These base line data will help in understanding the ecology and regeneration of C.viminea , and also provide basic information for long term studies in relation to climate change research.Keywords
Carpinus viminea Wall., Ecology, Regeneration, Lesser Known Tree Species,Uttarakhand, Himalayas
- Effect of Pretreatment on Seed Germination of Pinus roxburghii, Sarg. in Uttaranchal Himalaya, India
Abstract Views :232 |
PDF Views:0
Authors
Source
Indian Forester, Vol 132, No 11 (2006), Pagination: 1477-1486Abstract
Pinus roxburghii (Chir pine) is a major forest forming species in the hills between 450- 2300m altitude. It has a great promise in afforestation programme in degraded and barren areas because it has the ability to grow eyen in the harsh environmental conditions. In the present study, 11 pretreatment were given to seeds to see the effect on germination. The two-way ANOVA between the sites and pretreatment was not significant. which indicates that Pinus roxburghii has almost similar germination in all the treatments. The mean germination varies from 83.00% to 95.75% for all the treatments. The mean germination was slightly higher for Soni and Matiyal forests for almost all the treatments. which may be considered a seed source for the future seed collection and afforestation programme.- Ecology of Medicinal Plants in Uttarakhand Himalaya, India
Abstract Views :359 |
PDF Views:0