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Littérature scientifique sur le sujet « National Park of Upper Niger »

Auteur : Grafiati
Publié le 4 juin 2021
Mis à jour le 7 février 2022

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Articles de revues sur le sujet "National Park of Upper Niger"

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CRESPI, V. « Preliminary study on the fishery resources of the River Niger in the Upper Niger National Park, Guinea ». Fisheries Management and Ecology 5, no 3 (mars 1998) : 201–8. http://dx.doi.org/10.1046/j.1365-2400.1998.00093.x.

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Ziegler, Stefan, Gerhard Nikolaus et Rainer Hutterer. « High mammalian diversity in the newly established National Park of Upper Niger, Republic of Guinea ». Oryx 36, no 1 (janvier 2002) : 73–80. http://dx.doi.org/10.1017/s003060530200011x.

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This paper presents the results of a mammal survey conducted between 1995 and 1997 in the newly established National Park of Upper Niger in the Republic of Guinea, West Africa. Ninety-four species of mammals were recorded in the park area and its environs; 19 of these species were newly recorded or confirmed for Guinea. The fauna of the park includes about 50% of the known mammalian diversity of the country. Among the species found are West African endemics such as the Gambian mongoose Mungos gambianus. The park, although situated in the Guinea savannah belt, includes some remnant forest, which harbours tropical forest mammals such as Thomas's galago Galagoides cf. thomasi, hump-nosed mouse Hybomys planifrons, soft-furred rat Praomys rostratus and flying squirrel Anomalurops sp.. This National Park is a high priority area for the conservation of the vertebrate diversity of West Africa.
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Lavers, Amanda J., Jason N. Headley, John L. MacMillan et Darrin Reid. « The trout fishery of the upper Medway watershed, Nova Scotia, 2016-17 ». Proceedings of the Nova Scotian Institute of Science (NSIS) 49, no 2 (10 mars 2018) : 253. http://dx.doi.org/10.15273/pnsis.v49i2.8163.

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During the spring of 2016 and 2017, the Mersey Tobeatic Research Institute (MTRI), in collaboration with the Nova Scotia Department of Fisheries and Aquaculture, conducted an angler creel survey in the Medway Lakes Wilderness Area that is located within the upper Medway watershed. Since 2012, public access to this region was improved to numerous lakes and streams, increasing the risk of overexploitation and the illegal introduction of invasive fish species. The purpose of this study was to assess the current status of the fishery for Brook trout, Salvelinus fontinalis, investigate the possible presence of invasive Smallmouth bass, Micropterus dolomieu, and Chain pickerel, Esox niger, and inform anglers of the effects of invasive species on local biodiversity. Over the course of this two-year study, a total of 264 anglers spent 1017 hours to catch 1279 trout, of which 74% were released. Median length of retained Brook trout was of 25 cm and the maximum length was 43 cm. The majority of the catch was 2+ and 3+ years old. Angler catch rates were similar to nearby Kejimkujik National Park and greater than in the Tangier Grand Lakes Wilderness Area. The study area does not currently appear to be inhabited by invasive fish species. Most of the anglers interviewed lived nearby and had a long history of fishing in the upper Medway watershed. The study provides baseline data from the trout fishery which could be used to evaluate management strategies and future impacts of invasive fish species.
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Rizun, Volodymyr. « Forests carabid beetles (Coleoptera, Carabidae) communities of the «Prypiat-Stokhid» National Nature Park ». Proceedings of the State Natural History Museum, no 36 (10 décembre 2020) : 171–80. http://dx.doi.org/10.36885/nzdpm.2020.36.171-180.

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Carabid beetles (Coleoptera, Carabidae) communities of the «Prypiat-Stokhid» National Nature Park have been investigated in five types of forest in 2006 with using pitfall Barber traps method. 49 species from 25 genuses were registered. The highest carabid catchability were observed in wet alder and fresh hornbeam-oak forests and the lowest in dry pine and fresh oak-pine forests. Generally 4 carabid species prevailed: Pterostichus oblongopunctatus, Carabus hortensis, Oxypselaphus obscurus, Pterostichus niger. In the dry pine forest prevailed: Syntomus truncatellus, Broscus cephalotes, Harpalus flavescens, Pterostichus strenuus, Calathus erratus, Oodes helopioides. In the fresh oak-pine forest prevailed: Pterostichus oblongopunctatus, Agonum duftschmidi, Carabus violaceus, C. hortensis, Oodes helopioides, Pterostichus minor, P. niger. In the fresh hornbeam-oak forest prevailed: Pterostichus oblongopunctatus, Carabus hortensis, Oxypselaphus obscurus, Pterostichus niger, P. Nigrita. In the wet oak-pine forest prevailed: Pterostichus oblongopunctatus, Oxypselaphus obscurus, Pterostichus niger, Epaphius secalis, Pterostichus rhaeticus, Carabus arcensis, Pterostichus minor. In the wet alder forest prevailed: Pterostichus oblongopunctatus, Carabus hortensis, Oxypselaphus obscurus, Pterostichus niger, P. melanarius.
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Priyanta, Riswanda Dwiky, Meitini Wahyuni Proborini et Anak Agung Raka Dalem. « Phosphate Solvent Fungi Exploration and Identification in West Bali National Park Forest Area ». Metamorfosa : Journal of Biological Sciences 6, no 1 (2 août 2019) : 131. http://dx.doi.org/10.24843/metamorfosa.2019.v06.i01.p21.

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Research on the exploration and identification of phosphate solvent fungi has never been carried out in West Bali National Park (TNBB), therefore researchers aims to explore and identify microscopic fungi to be used as phosphate solvent fungi which later will be taken from each plant soil samples (Lantana camara) that the presence is very common in TNBB. The research was implemented in two stages. The first stage is exploration of soil fungi in the field (TNBB) and identification of fungal species and the second stage is the phosphate solvent fungus test on Pikovskaya media. The results of the identification of the fungi obtained as follow: Aspergillus niger, Aspergillus bertholletius, Aspergillus flavus, Aspergillus isolate 4, Aspergillus isolate 5, Penicillium citrinum, and Trichoderma amazonicum. From the entire types of fungi obtained, there are onlybfour fungi that have the potential as phosphate solvents, namely Aspergillus niger, Aspergillus flavus, Aspergillus bertholletius and Penicillium citrinum with the presence of clear zones on Pikovskaya media. Fungi that has the best potential in the process of phosphate dissolution is Aspergillus niger. Key words: Rhizosfer, Lantana camara, clear zone, phosphate solvent fungus
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Bergoeing, Jean Pierre, et Patrick Gilliard. « Geomorphology of the terraces of the river Niger at the Tatitude of the 'W' National Park, Niger ». Zeitschrift für Geomorphologie 41, no 4 (26 décembre 1997) : 491–504. http://dx.doi.org/10.1127/zfg/41/1997/491.

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Inoussa, M. M., E. A. Padonou, A. M. Lykke, R. Glèlè Kakaï, Y. Bakasso, A. Mahamane et M. Saadou. « Contrasting population structures of two keystone woodland species of W National Park, Niger ». South African Journal of Botany 112 (septembre 2017) : 95–101. http://dx.doi.org/10.1016/j.sajb.2017.05.010.

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Getman, V. « Dnister river canyon in the national park ». Bulletin of Taras Shevchenko National University of Kyiv. Geography, no 64 (2016) : 23–29. http://dx.doi.org/10.17721/1728-2721.2016.64.4.

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There have been raised several questions about saving natural, historical and cultural values of the territory of national park “Dnister river canyon” in this article. Also, this work highlights historical and natural conditions of canyon’s formation. Landscape, aesthetic and recreational resources of Dnister river canyon are incomparable among the territory of Ukraine. That is why it is important to save it from massive anthropogenic pressure. On of the stresses is a planned construction of upper Dnister river cascade hydropower station on the protected territory of national park “Dnister river canyon”.
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Milliken, W., et J. Proctor. « Montane forest in the Dumoga Bone National Park, North Sulawesi ». Edinburgh Journal of Botany 56, no 3 (novembre 1999) : 449–58. http://dx.doi.org/10.1017/s0960428600001372.

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Lower montane rainforest and upper montane forest on the slopes and summit of Gunung Sinombayuga, Dumoga Bone National Park, North Sulawesi, were described by general botanical collection and quantitative sampling. The lower montane forest was dominated by the families Fagaceae, Myrtaceae, Icacinaceae and Escalloniaceae. The upper montane forest, dominated by Fagaceae and Cunoniaceae, represented 75-year-old coppice regeneration. It was less diverse than the lower montane forest and lower in stature, with a smaller basal area per hectare and a higher proportion of multi-stemmed trees. The tree flora of the montane forest is poorly known, and rich in undescribed species.
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Маnukov, Yuri, et Elizaveta Arsenyeva. « Waterfowl fauna of Upper Yauza wetlands, national park Losiny Ostrov, moscow ». Bulletin of the Moscow State Regional University (Natural Sciences), no 2 (2017) : 6–13. http://dx.doi.org/10.18384/2310-7189-2017-2-6-13.

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Thèses sur le sujet "National Park of Upper Niger"

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Diallo, Mamadou Saïdou. « Evolution de la gestion des aires protégées en Guinée : la difficile cohabitation des politiques publiques et des systèmes traditionnels : cas du Parc National du Haut Niger ». Phd thesis, Université du Maine, 2011. http://tel.archives-ouvertes.fr/tel-00586079.

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La gestion des aires protégées en Guinée pose le problème de la cohabitation des politiques publiques et des systèmes traditionnels. Censée améliorer la gestion des aires protégées, cette cohabitation s'avère difficile et ne produit pas les résultats escomptés. Pour contribuer à la compréhension de cette difficile cohabitation, cette thèse propose une analyse de l'évolution de la politique de gestion des aires protégées en Guinée, de l'époque précoloniale à nos jours. La démarche utilisée fait appel à plusieurs approches méthodologiques : recueil et analyse de documents historiques et juridiques, recueil et analyses des traditions orales ancestrales relatives à la protection de la nature, observations de terrain, inventaires floristiques, estimations et analyses qualitatives, enquêtes par entretiens semi-directifs. Les résultats obtenus ont permis de retracer et de caractériser les différentes phases de la gestion des aires protégées en Guinée. La gestion des aires protégées précoloniales a connu diverses formes, allant de la sacralisation à la gestion clanique ; elle a varié en fonction des coutumes des populations autochtones de chacune des régions naturelles du pays. Pendant l'époque coloniale, 167 aires protégées ont été mises en place dont 157 forêts classées, 4 parcs de refuge de faune et une réserve naturelle intégrale. A son accession à l'indépendance en 1958, la Guinée a hérité des aires protégées coloniales et a appliqué, jusqu'en 1984, une politique fondée sur la législation forestière de l'administration coloniale. L'Etat s'est approprié les aires protégées dans leur contexte contemporain seulement à partir des années 1984, et a progressivement mis en place de nouveaux dispositifs (législatif et institutionnel) de gestion. Avec l'appui des bailleurs de fonds, il a mis en place plusieurs catégories d'aires protégées (parcs nationaux, réserves de biosphère, aires protégées transfrontalières, zone de conservation) dont la gestion qui se veut participative en associant les populations locales, soufre aujourd'hui essentiellement du manque de financements associé à l'insuffisance de la logistique nécessaire à une gestion opérationnelle et efficace. L'étude du cas du Parc National du Haut Niger révèle que, malgré la reconnaissance et la prise en compte du rôle des communautés traditionnelles (Waton), les populations locales adhèrent à la gestion participative sans grande conviction. Les structures publiques associées à cette gestion ne disposent pas de moyens suffisants pour intervenir de manière efficiente. L'exemple du PHNN illustre l'écart entre le discours dominant qui prône la gestion intégrée des aires protégées et les difficultés de l'Etat à mettre en œuvre une gestion participative. Ces difficultés ne devraient pas pour autant conduire à une remise en cause de la gestion participative, car nos observations et nos enquêtes suggèrent que la stratégie peut fonctionner et faire la preuve de son efficacité si des efforts sont entrepris dans l'appui au développement communautaire et dans la création d'activités génératrices de revenus pour les populations traditionnelles qui mettent leurs savoirs au service de la gestion des aires protégées.
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Ouellet, Richard Andre. « Tales of empowerment : cultural continuity within an evolving identity in the Upper Athabasca valley / ». Burnaby B.C. : Simon Fraser University, 2006. http://ir.lib.sfu.ca/handle/1892/2617.

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Shiraki, Masahiro. « Upper Devonian sponge-algal mud mounds, southern flank of Miette reef complex, Jasper National Park, Alberta, Canada ». Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27409.

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A series of small mud mounds are exposed in the McConnell and Miette thrust sheets on the southern flank of the Miette reef complex. They occur on the southeastward inclined carbonate clinoforms of the late Frasnian Arcs Member. These mounds are rooted on marine, argillaceous lime mudstones and are surrounded by lime mudstones of several prograding clinoforms of the upper Arcs Member or dolomitic siltstones of the lower Ronde Member.
Mounds are approximately 17 to 36 m high and 32 to 81 m wide and columnar to domal in shape. The lower part of the mounds consists of sponge-rich wackestones and packstones, and locally laminar stromatoporoid boundstones. Calcareous green algae tend to predominate in the upper parts of the mounds.
Variable cavities occur and are filled with geopetal sediments, isopachous fibrous and blocky calcite cements. The most common cavity types, irregular and irregular stromatactoidal cavities, might be related to organic origins, possibly the decay of sponges in conjunction with submarine cementation.
Abrupt mound margins indicate that the mounds grew upwards more rapidly than the accumulation of the adjacent basin and clinoforming slope sediments. (Abstract shortened by UMI.)
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Shiraki, Masahiro. « Upper Devonian sponge-algal mud mounds, southern flank of Miette reef complex, Jasper National Park, Alberta, Canada ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq29785.pdf.

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Wallace, Amy. « Dynamics of Stony Coral Assemblages on Patch Reefs of the Upper Florida Reef Tract, Including Biscayne National Park ». Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3400.

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The patch reefs located in Biscayne National Park (BNP) are some of the most northern reefs of the Florida reef system. The focus of my study is seven patch reefs that were first surveyed annually between 1977 and 1981, revealing 8% - 28% cover by scleractinian corals. An assessment of BNP patch reefs completed in 2000 reported that coral cover had decreased to approximately 0.4% - 10%. The once dominant species in the Florida reef tract, Acropora palmata and A. cervicornis, have rapidly declined over time and were not found in any transects during the 2000 survey. This study is a re-assessment of the BNP patch reefs surveyed in 1977-1981. In addition, one patch reef from BNP and three in upper keys region of the Florida Keys National Marine Sanctuary (FKNMS) have been included (a total of 11 patch reefs, all with historical data available). This study found 2% - 13% coral cover at these 11 reefs using a photographic survey (Point Count) and 4% - 21% coral cover using Atlantic and Gulf Rapid Reef Assessment (AGRRA) survey methods. These results are relatively similar to results reported for the same patch reefs in the 1990s and in 2002, indicating that the major changes occurred earlier with the extreme decline in Acropora spp. Montastraea annularis complex cover has also declined substantially at the BNP sites from 5.4% in 1977-81 to 1.3% in 2009. Although the number of species recoded on the seven resurveyed BNP patch reefs was only 23, compared with 28 recorded in the 1977-81 study, all species are still present in the region surveyed, indicating no actual loss of over all species richness.
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Demko, Timothy Michael. « Taphonomy of fossil plants in the Upper Triassic Chinle Formation ». Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/187397.

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Fossil plants in the Upper Triassic Chinle Formation are preserved in fluvial channel, overbank, and lacustrine deposits. Plant-bearing units in these deposits are classified into seven types based on these depositional environments or subenvironments. Taphonomic characteristics of these assemblages, and of individual plant fossils within them, indicate that most plant fossils have either not been transported far from their growth sites or are preserved in situ. One particular deposit in the central part of Petrified Forest National Park preserves fossil plants in three associations: (1) allochthonous logs in basal lags in a channel-fill/lateral accretion deposits; (2) autochthonous horsetail trunks and parautochthonous horsetail leaves in a crevasse-splay deposits; and (3) parautochthonous and autochthonous cycadaceous, fern and other types of leaves, and erect and prostrate trunks in a paludal/distal splay deposits. Exposures of contemporaneous high-sinuosity channel and overbank deposits in this area enabled the reconstruction of the local paleogeography, paleohydrology, and paleoecology at a high resolution. Fossil plant assemblages of the Upper Triassic Chinle Formation are concentrated in the lower members of the formation. The lower part of the Chinle Formation was deposited in an incised valley system. Depositional, hydrological, and near-surface geochemical conditions in the incised valley system were conducive to preservation of terrestrial organic material, even though regional conditions were characterized by seasonal/monsoonal precipitation and groundwater conditions. Fossil plant assemblages preserved in these types of fully terrestrial incised valley-fills are taphonomically biased towards riparian wetland environments.
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Harrington, Jason E. M. « Sequence stratigraphy and sedimentology of uppermost Southesk and Sassenach formations (Upper Denovian), Boule and Bosche Ranges, Jasper National Park ». Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=20570.

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Devonian Winterburn strata in the Boule and Bosche Ranges of eastern Jasper National Park consist of two unconformity bounded, 45 m thick carbonate dominated depositional sequences, the Arcs Member (Nisku) and the Ronde Member (Calmar/Blue Ridge). Earliest Famennian clastics of the Sassenach Formation directly overlie the Ronde and this contact forms the Frasnian/Famennian boundary. Sampling for conodont biostratigraphy in three sections indicates that the Arcs and Ronde are Upper rhenana in age.
Arcs, Ronde, and Sassenach strata were deposited on a gently sloping carbonate ramp to platform ranging from shallow subtidal to peritidal depositional environments. Argillaceous limestones and shales are the dominate lithotype of the Mount Hawk Formation. Shallow subtidal limestones consisting of floatstones and rudstones interbedded with packstones and wackestones comprise most of the Arcs Member. Arcs strata consist of at least 4 depositional cycles and represent a shallowing upward sequence from outer shallow slope fossiliferous limestones to back reef lagoonal grainstones. Two previously undocumented Arcs patch reefs were described, the limestone Brule reef or bank in the southern Boule Range and the dolomitized Moosehorn reef in the central region of the Bosche Range. The Ronde Member is comprised of shallow subtidal limestones and siltstones with intertidal silty limestones occurring less frequently and predominately at the top. The Ronde consists of two carbonate shallowing upward cycles. FA 6 A intertidal limestones and fine grained sandstones comprise the Sassenach Formation which consists of two main depositional cycles and ranges from 20 m thick in the Bosche Range to less than 5 m thick in the Boule Range. (Abstract shortened by UMI.)
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Harrington, Jason E. M. « Sequence stratigraphy and sedimentology of Uppermost Southesk and Sassenach formations (Upper Devonian), Boule and Bosche ranges, Jasper National Park ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0002/MQ44180.pdf.

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Baghai, Nina Lucille. « An analysis of palynomorphs from upper Cretaceous sedimentary rocks with emphasis in the Aguja Formation, Big Bend National Park, Brewster County, Texas / ». Digital version, 1996. http://wwwlib.umi.com/cr/utexas/fullcit?p9719292.

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Maldonado, Amy L. « Taxonomy and biostratigraphy of upper Guadalupian radiolaria from the reef trail member of the Bell Canyon formation, Guadalupe Mountains National Park, West Texas, USA / ». abstract and full text PDF (UNR users only), 2008. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1459467.

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Thesis (M.S.)--University of Nevada, Reno, 2008.
"August, 2008." Includes bibliographical references (leaves 142-149). Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2008]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.
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Livres sur le sujet "National Park of Upper Niger"

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Greenbaum, Eli. The herpetofauna of Upper Niger National Park, Guinea, West Africa. Lawrence, Kan : Natural History Museum, University of Kansas, 2005.

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Haynes, Terry L. Upper Tanana ethnographic overview and assessment, Wrangell St. Elias National Park and Preserve. Juneau, Alaska : Alaska Dept. of Fish and Game, Division of Subsistence, 2007.

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Brown, Larry R. Biological, habitat, and water quality conditions in the upper Merced River drainage, Yosemite National Park, California, 1993-1996. Sacramento, Calif : U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Rigby, J. Keith. Sponges from the Reef Trail Member of the Upper Guadalupian (Permian) Bell Canyon formation, Guadalupe Mountains National Park, Texas. Lawrence, Kan : Allen Press, 2006.

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Trilobites from the Survey Peak, Outram, and Skoki formations (Upper Cambrian-Lower Ordovician) at Wilcox Pass, Jasper National Park, Alberta. [Ottawa ? Canada] : Energy, Mines and Resources Canada, 1989.

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International Union for Conservation of Nature and Natural Resources. Commission on Parks and Protected Areas. Action strategy for protected areas in the Afrotropical realm : [prepared during the 28th working session of IUCN's Commission on National Parks and Protected Areas, "W" National Park, Niger, 17-21 March 1987]. Gland : International Union for Conservationof Nature and Natural Resources, 1987.

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White, Donald Edward. Whistle, a nearly dormant geyser in Upper Geyser Basin, Yellowstone National Park, Wyoming : The first geyser to be studied by research drilling. Washington : U.S. G.P.O., 1991.

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Clark, Melanie L. Water-quality characteristics of the Snake River and five tributaries in the upper Snake River Basin, Grand Teton National Park, Wyoming, 1998-2002. Reston, Va : U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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Clark, Melanie L. Water-quality characteristics of the Snake River and five tributaries in the upper Snake River Basin, Grand Teton National Park, Wyoming, 1998-2002. Reston, Va : U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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Clark, Melanie L. Water-quality characteristics of the Snake River and five tributaries in the upper Snake River Basin, Grand Teton National Park, Wyoming, 1998-2002. Reston, Va : U.S. Dept. of the Interior, U.S. Geological Survey, 2004.

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Chapitres de livres sur le sujet "National Park of Upper Niger"

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Lumsdon, Les. « The Peak District National Park : The Upper Derwent ». Dans Marketing for Tourism, 111–23. London : Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-21946-9_11.

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Bora, Jyotishmoy. « Climate Change and Its Effect on Hydrology and Threat to Biodiversity : A Study on Manas River (Upper Part) and the Manas National Park, Assam, India ». Dans Water Science and Technology Library, 157–68. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-74494-0_12.

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« W National Park, Niger ». Dans Dictionary of Geotourism, 673. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2538-0_2715.

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Olufemi, Lawal Musediq, et Irhue Young Kenneth. « Biodiversity Conservation and Unmet Social and Health Needs in the Rural Communities of Niger State, Nigeria ». Dans Practice, Progress, and Proficiency in Sustainability, 22–40. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7158-2.ch002.

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The establishment that 70% of the world's poor residing in rural areas depends directly on biodiversity for their well-being has ignited the call for sustainable usage of biological resources. Biodiversity conservation has thus become a novel project with noble intention of providing a habitat and protection from hunting for threatened and endangered species and ecological processes that cannot survive in most intensely managed landscapes. Nigeria has created protected areas under the coordination of National Park Services in line with this. As a result, residents of communities surrounding the protected areas could not meet their basic needs like employment, water provision, educational facilities, medical services, energy supply, livestock grazing, and motorable roads. They have subsequently deviated from the extant rules that guide their conducts and by ensuing difficulties see biodiversity conservation as an elitist policy despite their understanding of the idea behind it.
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« From Catastrophe to Recovery : Stories of Fishery Management Success ». Dans From Catastrophe to Recovery : Stories of Fishery Management Success, sous la direction de Stephen E. Moore et Matt A. Kulp. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874554.ch3.

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<i>Abstract</i>.—The primary mission of the U.S. National Park Service is to protect and preserve native species. Control of nonnative species is also a principal management objective. Historic land management and stocking of nonnative Rainbow Trout <i>Oncorhynchus mykiss</i> in Great Smoky Mountains National Park in the eastern United States resulted in native Brook Trout <i>Salvelinus fontinalis</i> losing approximately 75% of their historic range. Consequently, the park initiated a program in 1976 to evaluate electrofishing for removal of Rainbow Trout in six small streams and found it to be successful upstream of impassable barriers. Later (mid-1990s), park biologists effectively used Fintrol (antimycin) to remove nonnative Rainbow Trout from low-elevation streams with impassable barriers. The National Environmental Policy Act and the Environmental Assessment process required public meetings be held in communities around the park prior to the use of Fintrol to explain the need for and purpose of these projects. In September 2008, Fintrol was used to renovate a large system—12.8 km (8 mi) of upper Lynn Camp Prong. Native Brook Trout were reintroduced in 2009, but monitoring efforts in 2010 revealed the presence of illegally stocked Rainbow Trout in upstream sections of the project area. Approximately 4.6 km (3.0 mi) of the project area was successfully retreated in 2011 to remove the reintroduced Rainbow Trout. Several public hearings were held successfully around the park to educate local residents about the Lynn Camp Prong project. Monitoring efforts during 2012–2015 showed that the Brook Trout population increased steadily, with abundance ultimately exceeding that of Rainbow Trout prior to restoration. Lessons learned are that (1) public education, buy-in, and involvement are crucial to success; (2) partnerships with state and federal agencies, local conservation groups, and the local community are essential; (3) fisheries professionals must be steadfastly committed to success and adaptable to changing conditions; and (4) restoration of native species can be controversial. If sabotage happens, reach out to the public, provide them with up-to-date information, and enlist their help.
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Young, Terence. « The Art of Camping ». Dans Heading Out. Cornell University Press, 2017. http://dx.doi.org/10.7591/cornell/9780801454028.003.0003.

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This chapter explores the era of camping before the automobile came onto the scene. Camping persisted as a largely upper-middle-class and white activity during this time, but its popularity grew rapidly as magazine accounts, how-to manuals, and guidebooks taught more urban people how and where to camp. The chapter features a few camping advocates, including Horace Kephart, a tortured soul who became America's best-known camping author during the twentieth century's first decades. It also follows two camping parties—historian Frederick Jackson Turner out with his family on a month-long canoe trip to Ontario's Lake Nipigon and the writer Mary Bradshaw Richards, who with her husband traveled from Massachusetts to the young but distant Yellowstone National Park.
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Takama, Takeshi. « Adaptation and Congestion in a Multi-Agent System to Analyse Empirical Traffic Problems ». Dans Multi-Agent Systems for Traffic and Transportation Engineering, 1–35. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-226-8.ch001.

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This study discusses adaptation effects and congestion in a multi-agent system (MAS) to analyse real transport and traffic problems. Both methodological discussion and an empirical case study are presented in this chapter. The main focus is on the comparison of an analysis of a MAS simulation analysis and an analysis that solely uses discrete choice modelling. This study explains and discusses some important concepts in design empirical MAS in traffic and transportation, including validation Minority Game and adaptation effects. This study develops an empirical MAS simulation model based on real stated-preference data to analyse the effect of a real road-user charge policy and a complimentary park and ride scheme at the Upper Derwent Valley in the Peak District National Park, England. The simulation model integrates a transport mode choice model, Markov queue model, and Minority Game to overcome the disadvantages of a conventional approach. The results of the simulation model show that the conventional analysis overestimates the effect of the transportation and environment policy due to the lack of adaptation affects of agents and congestion. The MAS comprehensively analysed the mode choices, congestion levels, and the user utility of visitors while including the adaptability of agents. The MAS also called as agent-based simulation successfully integrates models from different disciplinary backgrounds, and shows interesting effects of adaptation and congestion at the level of an individual agent.
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« Multispecies and Watershed Approaches to Freshwater Fish Conservation ». Dans Multispecies and Watershed Approaches to Freshwater Fish Conservation, sous la direction de Richard N. Williams, Daniel C. Dauwalter, Russell F. Thurow, David P. Philipp, Jack E. Williams et Chris A. Walser. American Fisheries Society, 2019. http://dx.doi.org/10.47886/9781934874578.ch7.

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<em>Abstract</em>.—Native fish conservation areas (NFCAs) are watersheds where management emphasizes proactive conservation and restoration for long-term persistence of native fish assemblages while allowing for compatible uses. Native fish conservation areas are intended to complement traditional fisheries management approaches that are often reactive to population stressors and focused on single-species conservation efforts rather than complete assemblages. We identified potential NFCAs in the upper Snake River basin above Hells Canyon Dam using a process that ranked all subwatersheds (Hydrologic Unit Code 12) and used empirical data on distribution, abundance, and genetics for three native trout species (Bull Trout <em>Salvelinus confluentus</em>, Columbia River Redband Trout <em>Oncorhynchus mykiss gairdneri</em>, and Yellowstone Cutthroat Trout <em>O. clarkii bouvieri</em>, including the fine-spotted form) and both known occurrences and modeled potential distributions of native nongame fishes. Rankings also incorporated drainage network connectivity and land-protection status (e.g., national park, wilderness). Clusters of high-ranking subwatersheds were identified as potential NFCAs that were then classified according to the presence of nongame fishes identified as species of greatest conservation need in state wildlife action plans. The Pacific Creek and Goose Creek watersheds ranked high in the upper basin (above Shoshone Falls), and Little Jacks Creek and Squaw Creek ranked high in the lower basin. We then contrasted characteristics of a select few potential NFCAs, discuss the practical implementation and benefits of NFCAs for both fishes and other aquatic species in the upper Snake River basin, examined how the NFCA approach could enhance existing conservation partnerships, and discuss how designating select watersheds as NFCAs can create higher public awareness of the value of native fishes and other aquatic species and their habitats.
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Migon, Piotr. « Slope Development in Granite Terrains ». Dans Granite Landscapes of the World. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780199273683.003.0013.

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Rock slopes developed in granite may take different forms, as reflected in their longitudinal profiles. Field observations and a literature survey (e.g. Dumanowski, 1964; Young, 1972) allow us to distinguish at least five major categories of slopes: straight, convex-upward, concave, stepped, and vertical rock walls. In addition, overhang slopes may occur, but their height is seldom more than 10 m high and their occurrence is very localized. These basic categories may combine to form compound slopes, for example convex-upward in the upper part and vertical towards the footslope. Somewhat different is Young’s (1972) attempt to identify most common morphologies of granite slopes. He lists six major categories: (1) bare rock domes, smoothly rounded or faceted; (2) steep and irregular bare rock slopes of castellated residual hills, tending towards rectangular forms; (3) concave slopes crowned by a free face; (4) downslope succession of free face, boulder-covered section and pediment; (5) roughly straight or concave slopes, but having irregular, stepped microrelief; (6) smooth convex-concave profile with a continuous regolith cover. The latter, lacking any outcrops of sound bedrock, are not considered as rock slopes for the purposes of this section. Young (1972) appears to seek explanation of this variety in climatic differences between regions, claiming that ‘Variations of slope form associated with climatic differences are as great as or greater, on both granite and limestone, than the similarity of form arising from lithology’ (Young, 1972: 219). This is a debatable statement and apparently contradicted by numerous field examples of co-existence of different forms in relatively small areas. Slope forms do not appear specifically subordinate to larger landforms but occur in different local and regional geomorphic settings. For example, the slopes of the Tenaya Creek valley in the Yosemite National Park include, in different sections of the valley, straight, vertical, convex-upward, and concave variants (Plate 5.1). Apparently, multiple glaciation was unable to give the valley a uniform cross-sectional shape.
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Wohl, Ellen. « March : Water Superheroes ». Dans Saving the Dammed. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190943523.003.0006.

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By mid-March, daytime temperatures above freezing have left muddy puddles all over the unpaved road that runs above and beside the beaver meadow. This road extends to the national park trailhead farther upstream but is now closed for winter. I enter the beaver meadow on a lightly overcast day that is windy, as I expect March to be. Lack of recent snowfall and warm temperatures have caused the snowpack to shrink down, and I no longer break through into hidden pockets of air around the base of the bushy willows. I do break through the ice on my snowshoes, sinking in a slow motion that allows me to scramble and keep my feet dry . . . mostly. I sink in above the ankle at one point and the resulting icy ache makes me appreciate the ability of beavers to stay warm. The snow covering the higher peaks and the adjacent lateral moraines appears about the same, but numerous spots of bare ground have appeared along the creek banks. The remaining snow resembles a blanket draped over the undulating, grassy ground rather than an integral part of the landscape. I stand on the snowbank at the downstream end of one of the larger beaver ponds. The dam merges into a vegetated berm and appears to be intact, but I can hear water flowing swiftly somewhere beneath the snow. Most puzzling is that I can’t see where the water is going: the nearest downstream standing water has no apparent inflow or current. Mysterious, intricate plumbing surrounds me. The beaver meadow is on the move, flowing and changing, preparing for the season of birth and growth. Standing water is noticeably more abundant than a month ago. Interspersed among the ice and snow are big puddles and little ponds, some connected and draining, others isolated and still. The still pond waters have a shallow covering of meltwater underlain by ice with large, irregularly shaped air pockets trapped in the upper layer. These I can easily break with the tip of my ski pole. Thousands of tiny bubbles deeper in the ice look milky.
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Actes de conférences sur le sujet "National Park of Upper Niger"

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Mickus, Kevin L. « GRAVITY INVESTIGATIONS IN THE UPPER AND LOWER GEYSER BASINS, YELLOWSTONE NATIONAL PARK ». Dans 50th Annual GSA South-Central Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016sc-271658.

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Schiller, Christopher M., Cathy Whitlock, Shaul Hurwitz et Sara Peek. « PALYNOSTRATIGRAPHIC CONTROL ON SINTER DEPOSITION IN UPPER GEYSER BASIN, YELLOWSTONE NATIONAL PARK ». Dans GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-340314.

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Flynn, Barrett, Jefferson Hungerford, Jefferson Hungerford, Stanley Mordensky, Stanley Mordensky, Molly O'Neil et Molly O'Neil. « STRUCTURING AND ANALYSIS OF TEMPERATURE DATA FROM UPPER GEYSER BASIN IN YELLOWSTONE NATIONAL PARK ». Dans GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-304495.

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Sparacino, Matthew S., Sara L. Rathburn et Kamini Singha. « MONITORING THE EFFECTS OF RIVER REALIGNMENT ON THE UPPER COLORADO RIVER, ROCKY MOUNTAIN NATIONAL PARK ». Dans GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-282959.

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Zeigler, Kate E., William G. Parker et Jeffrey W. Martz. « REVISED MAGNETIC POLARITY STRATIGRAPHY FOR THE LOWER CHINLE FORMATION (UPPER TRIASSIC) AT PETRIFIED FOREST NATIONAL PARK ». Dans GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-284760.

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Stewart, Dustin, Patrick Druckenmiller, Gregory Erickson, Jeffrey A. Benowitz, Denny Capps et Paul J. McCarthy. « PALEOENVIRONMENTAL INTERPRETATION OF ALASKA’S LARGEST DINOSAUR MEGATRACKSITE FROM THE UPPER CRETACEOUS CANTWELL FORMATION, DENALI NATIONAL PARK AND PRESERVE ». Dans GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-320153.

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McElvogue, Bryce, et Thomas Lehman. « EVIDENCE FOR TYRANNOSAURID FEEDING BEHAVIOR FROM HADROSAURIAN DINOSAUR REMAINS IN THE AGUJA FORMATION (UPPER CRETACEOUS), BIG BEND NATIONAL PARK, TEXAS ». Dans GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-330947.

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Yang, Wan, et Daniel Lehrmann. « MILANKOVITCH CLIMATIC SIGNALS AND STRATIGRAPHIC COMPLETENESS OF THE ERNST TINAJA SECTION OF THE UPPER CRETACEOUS DEEP-MARINE EAGLE FORD FORMATION, BIG BEND NATIONAL PARK, TEXAS ». Dans GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-335596.

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Keough, Brandon, et Kenneth D. Ridgway. « STRATIGRAPHIC RECORD AND GEOLOGIC CONFIGURATION OF THE LATE PALEOZOIC-MESOZOIC NORTHWESTERN LAURENTIAN MARGIN : A RE-EVALUATION OF UPPER PALEOZOIC-CRETACEOUS STRATA, DENALI NATIONAL PARK AND PRESERVE, CENTRAL ALASKA RANGE ». Dans GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-348595.

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Fiorillo, Anthony R., Paul McCarthy, Yoshitsugu Kobayashi, Carla S. Tomsich, Ronald S. Tykoski, Tomonori Tanaka et Christopher Noto. « CO-OCCURRENCE OF THERIZINOSAUR AND HADROSAUR FOOTPRINTS IN THE LOWER CANTWELL FORMATION (UPPER CRETACEOUS) OF DENALI NATIONAL PARK, ALASKA : AN ASIAN DINOSAUR TRACK ASSEMBLAGE ON THE NORTH AMERICAN SIDE OF BERINGIA ». Dans GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-295275.

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Rapports d'organisations sur le sujet "National Park of Upper Niger"

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Dean, W. T. Trilobites from the Survey Peak, Outram and Skoki formations [upper cambrian-lower ordovician] at Wilcox Pass, Jasper National Park, Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/127615.

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Cooper, Christopher, Jacob McDonald et Eric Starkey. Wadeable stream habitat monitoring at Congaree National Park : 2018 baseline report. National Park Service, juin 2021. http://dx.doi.org/10.36967/nrr-2286621.

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The Southeast Coast Network (SECN) Wadeable Stream Habitat Monitoring Protocol collects data to give park resource managers insight into the status of and trends in stream and near-channel habitat conditions (McDonald et al. 2018a). Wadeable stream monitoring is currently implemented at the five SECN inland parks with wadeable streams. These parks include Horseshoe Bend National Military Park (HOBE), Kennesaw Mountain National Battlefield Park (KEMO), Ocmulgee Mounds National Historical Park (OCMU), Chattahoochee River National Recreation Area (CHAT), and Congaree National Park (CONG). Streams at Congaree National Park chosen for monitoring were specifically targeted for management interest (e.g., upstream development and land use change, visitor use of streams as canoe trails, and potential social walking trail erosion) or to provide a context for similar-sized stream(s) within the park or network (McDonald and Starkey 2018a). The objectives of the SECN wadeable stream habitat monitoring protocol are to: Determine status of upstream watershed characteristics (basin morphology) and trends in land cover that may affect stream habitat, Determine the status of and trends in benthic and near-channel habitat in selected wadeable stream reaches (e.g., bed sediment, geomorphic channel units, and large woody debris), Determine the status of and trends in cross-sectional morphology, longitudinal gradient, and sinuosity of selected wadeable stream reaches. Between June 11 and 14, 2018, data were collected at Congaree National Park to characterize the in-stream and near-channel habitat within stream reaches on Cedar Creek (CONG001, CONG002, and CONG003) and McKenzie Creek (CONG004). These data, along with the analysis of remotely sensed geographic information system (GIS) data, are presented in this report to describe and compare the watershed-, reach-, and transect-scale characteristics of these four stream reaches to each other and to selected similar-sized stream reaches at Ocmulgee Mounds National Historical Park, Kennesaw Mountain National Battlefield Park, and Chattahoochee National Recreation Area. Surveyed stream reaches at Congaree NP were compared to those previously surveyed in other parks in order to provide regional context and aid in interpretation of results. edar Creek’s watershed (CONG001, CONG002, and CONG003) drains nearly 200 square kilometers (77.22 square miles [mi2]) of the Congaree River Valley Terrace complex and upper Coastal Plain to the north of the park (Shelley 2007a, 2007b). Cedar Creek’s watershed has low slope and is covered mainly by forests and grasslands. Cedar Creek is designated an “Outstanding Resource Water” by the state of South Carolina (S.C. Code Regs. 61–68 [2014] and S.C. Code Regs. 61–69 [2012]) from the boundary of the park downstream to Wise Lake. Cedar Creek ‘upstream’ (CONG001) is located just downstream (south) of the park’s Bannister Bridge canoe landing, which is located off Old Bluff Road and south of the confluence with Meyers Creek. Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ (CONG002 and CONG003, respectively) are located downstream of Cedar Creek ‘upstream’ where Cedar Creek flows into the relatively flat backswamp of the Congaree River flood plain. Based on the geomorphic and land cover characteristics of the watershed, monitored reaches on Cedar Creek are likely to flood often and drain slowly. Flooding is more likely at Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ than at Cedar Creek ‘upstream.’ This is due to the higher (relative to CONG001) connectivity between the channels of the lower reaches and their out-of-channel areas. Based on bed sediment characteristics, the heterogeneity of geomorphic channel units (GCUs) within each reach, and the abundance of large woody debris (LWD), in-stream habitat within each of the surveyed reaches on Cedar Creek (CONG001–003) was classified as ‘fair to good.’ Although, there is extensive evidence of animal activity...
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Biological, habitat, and water quality conditions in the upper Merced River drainage, Yosemite National Park, California, 1993-1996. US Geological Survey, 1999. http://dx.doi.org/10.3133/wri994088.

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Whistle, a nearly dormant geyser in Upper Geyser Basin, Yellowstone National Park, Wyoming ; the first geyser to be studied by research drilling. US Geological Survey, 1991. http://dx.doi.org/10.3133/b1967.

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