Annual growth rings from short-leaf pine trees in the Great Smoky Mountains National Park show suppressed growth and increased iron content between 1863 and 1912, a period of smelting activity and large sulfur dioxide releases at Copperhill, Tennessee, 88 kilometers upwind. Similar growth suppression and increases of iron and other metals were found in rings formed in the past 20 to 25 years, a...

A new species of Trichodoridae, Trichodorus elefjohnsoni, is described from undisturbed regions of Great Smoky Mountains National Park, United States. It resembles T. orientalis De Waele &Hashim, 1984, T. persicus De Waele &Sturhan, 1987, and T. taylori De Waele, Mancini, Roca, ' Lamberti, 1982 in arrangement of ventromedian cervical papillae and posterior preanal supplements, but differs by co...

Habitat fragmentation is considered a major threat to biodiversity worldwide. Two endangered species, the blood pheasant (Ithaginis cruentus) and blue eared (Crossoptilon auritum), co-exist in fragmented forest Qilian Mountains. However, how their habitats react fragmenting landscape remains unclear. Therefore, we carried out field survey core habitat of two species Mountains National Park used...

One of the elements that ensure sustainability environment is vegetation cover. The cover contributes to balanced functioning ecosystems. It national parks rich in phytodiversity attract attention scientists. article presents an ecological analysis flora Kremenets Mountains National Park. research was carried out areas mountains Divochi Skeli, Strakhova, Masliatyn, Chercha, Zamkova, Bozha. 10 f...

Knautia arvensis (L.) Coult. (Caprifoliaceae), collected from Küre Mountains National Park (Kastamonu Section), is reported for the first time flora of Turkey. A brief description plant along with photographs and distribution map given. Additionally, its taxonomic relationship other closely allied taxa are examined discussed. An identification key to species genus in Turkey provided.

A dsRNA molecule of 3.4 kbp was extracted from two great rhododendron samples from Great Smoky Mountains National Park. Sequencing of this molecule suggests that it represents the genome of an undescribed virus, for which the provisional name rhododendron virus A (RhVA) is proposed. In phylogenetic analyses, this virus clustered together with southern tomato virus and related viruses, forming a...

Pseudoparaclius udzungwa sp. nov. is described from Udzungwa Mountains National Park, Tanzania, and a key to all known Afrotropical species of Pseudoparaclius Grichanov is provided. Pseudoparaclius udzungwa is morphologically very similar to P. sanjensis (Grichanov) but has a modified male fore tarsus with laterally compressed tarsomeres 4-5, an epandrium with slightly shorter marginal teeth di...

nowadays, the machinery dependent life makes the people take refuge in natural recreational places. therefore, evaluating the recreational value of natural promenades has great importance to lead to more protection. in this research, economic valuation of sorkheh hesar national park, and protected area of geno were computed, and socio-economic factors compared in each area. geno protected area ...

Resource degradation is a chief concern related to increased recreational of U.S. public lands. The Seven Leave No Trace (LNT) Principles are used educate visitors how reduce impacts. This study sought understand Great Smoky Mountains National Park (GRSM) hikers’ behavioral intent towards LNT practices. A quantitative questionnaire was measure participants’ based on 4 predictor variables: attit...