This archive of reports of wildlife surveys in Namibia aims to:
Public access to information is a vital component of ensuring community engagement in prevalent issues. Wildlife surveys are critical to determine the health of wildlife populations and determine trends over time to guide conservation and management actions.
Wildlife surveys are done for different species using methods that are suited to counting them (e.g. by air or road) in their natural habitats. Such surveys need to be repeated over time to detect long-term trends and inform conservation managers. The Namibian government, non-governmental organisations and private reserves all conduct regular surveys covering different parts of Namibia and targeting different species. This archive will thus serve as a repository of our collective knowledge of the trends and status of a variety of species occurring throughout Namibia.
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Determining wildlife numbers and their distribution patterns are an important and relevant factor for increasing scientific knowledge, to provide credible information for managerial decisions to conserve and protect biodiversity. This research was aimed at studying the distribution of wildlife species within the Fish River Canyon using different Geographical Information System (GIS) approaches and methods by analysing distribution patterns, slope and aspect analysis on which the animals were counted in, and favourable vegetation type from which different wildlife species were…
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Determining wildlife numbers in the Fish River Canyon Reserve.pdf | 745.6 KB |
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Zambezi Game Count_East 2020.pdf | 937.73 KB |
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Nyae Nyae waterhole 2020.pdf | 946.21 KB |
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Southern Conservancy Game Count 2020.pdf | 818.01 KB |
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Nyae Nyae transect count 2020 final.pdf | 1.2 MB |
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North Central Game Count 2020.pdf | 1.06 MB |
Counts were undertaken at waterholes in the escarpment zone of north west Namibia. In 2018,18 waterholes in 7 conservancies were counted while in 2019 and 2020, the number of waterholes was increased to 26 covering 10 conservancies. Counts were undertaken over a period of 2, 3 or 4 days during which time all animals seen were counted.
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Waterholes_NW_poster_2020 final.pdf | 509.47 KB |
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North West Game Count_Hobatere 2020.pdf | 623.55 KB |
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North West Game Count_Palmwag and Etendeka 2020.pdf | 682.97 KB |
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North West Game Count_South of Vet Fence 2020.pdf | 689.61 KB |
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North West Game Count_North of Vet Fence 2020.pdf | 679.95 KB |
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North West Game Count_Regional 2020.pdf | 693.43 KB |
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Hardap and Naute Game Count 2020.pdf | 774.7 KB |
Robust abundance estimates of wild animal populations are needed to inform management policies and are often obtained through mark–recapture (MR) studies. Visual methods are commonly used, which limits data collection to daylight hours and good weather conditions. Passive acoustic monitoring offers an alternative, particularly if acoustic cues are naturally produced and individually distinctive. Here we investigate the potential of using individually distinctive signature whistles in a MR framework and evaluate different components of study design.
Knowledge of a population’s abundance is of primary importance for conservation management. However, robust estimates of abundance are often difficult to obtain, especially for cetaceans which spend most of their lives submerged. Cetacean abundance is commonly estimated using aerial or vessel-based line transect surveys and distance sampling methods. During 2012–2014, the first line transect surveys to estimate cetacean abundance were conducted in Namibian waters.
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First Abundance Estimates of Heavisides and Dusky Dolphin off Namibia.pdf | 5.23 MB |
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Zambezi Game Count_Bwabwata 2020.pdf | 1.22 MB |
The year’s results show a significant decrease in animals counted (-37%) and overall population estimate (-19%). The game harvesting operations done in the preceding year would have contributed to the lower game numbers. The northern sections of the park (zone 6, 7, 8 and 9) received the most rain and thus an overwhelming majority (53%) of the animals were counted in this area. For the first time in 8 years the park’s modelled carrying capacity is higher than the total grazer biomass (stocking rate).
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Gondwana Canyon Park Game Count 2020_poster.pdf | 1.7 MB |
This year's game count results showed the drastic decrease in game numbers, with gemsbok numbers being down 86% compared to 2019 and plains zebra and wildebeest down 93% and 97% respectively. Red hartebeest have all disappeared from the park as most of them died, a few were harvested, and a few got onto neighbouring properties. Only giraffe managed to increase, as 4 more calves were born over the last year, bringing the total to 22. Naturally, successful reproduction in the other game species over the past season has been very low.
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Gondwana Kalahari Park Game Count 2020.pdf | 965.72 KB |
The rapid improvement of camera traps in recent decades has revolutionized biodiversity monitoring. Despite clear applications in conservation biology, camera traps have seldom been used to model the abundance of unmarked animal populations. The goals of this review are to summarize the challenges facing abundance estimation of unmarked animals, present an overview of existing analytical frameworks, and provide guidance for practitioners seeking a suitable method.
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Abundance estimation of unmarked animals based on camera_trap data.pdf | 1.35 MB |
Estimating abundance of wildlife populations can be challenging and costly, especially for species that are difficult to detect and that live at low densities, such as cougars (Puma concolor). Remote, motion‐sensitive cameras are a relatively efficient monitoring tool, but most abundance estimation techniques using remote cameras rely on some or all of the population being uniquely identifiable. Recently developed methods estimate abundance from encounter rates with remote cameras and do not require identifiable individuals.
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Estimating abundance of an unmarked_low_density species using cameras.pdf | 590.21 KB |
Leopards are among the most enchanting big cats in the world. Their beauty, raw power and elusiveness have fascinated humans through the ages. Our fascination with leopards is a double-edged sword for the big cat, however. The value we place on seeing this beautiful big cat draws tourists and provides funding for conservation.
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Counting Cats_An updated national leopard survey for Namibia.pdf | 2.58 MB |
An overview of elephant conservation and management in Namibia.
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An overview of elephant conservation and management in Namibia.pdf | 5.72 MB |
Assessing the numbers and distribution of threatened species is a central challenge in conservation, often made difficult because the species of concern are rare and elusive. For some predators, this may be compounded by their being sparsely distributed over large areas. Such is the case with the cheetah Acinonyx jubatus. The IUCN Red List process solicits comments, is democratic, transparent, widely-used, and has recently assessed the species.
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The distribution and numbers of cheetah in southern Africa_2017.pdf | 6.63 MB |
This research project deploys satellite tracking collars on ungulates in the GSNL and monitors their movements as well as other environmental parameters. Its objective is to document movement corridors and identify impediments to migration routes for springbok, oryx and Hartmann’s mountain zebra. Stefanie Urban successfully completed her Bachelor of Natural Resources Management (Honours) project at NUST at the end of 2016. Her project report is available on request.
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Tracking ungulate movements.pdf | 2.23 MB |
Vultures provide essential ecological services, yet are amongst the world's most threatened species with populations having declined by more than 95% within ten years in some places. The biggest factor causing this decline is the use of poison, either intentionally or unintentionally. Other factors causing declines are collision with and electrocution by powerlines, illegal harvesting for traditional medicines, habitat loss and drowning in reservoirs.
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Status assessment of Namibias vultures.pdf | 1.52 MB |
Summary of game counts in Hardap Game Park, May 2017.
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Game counts in Hardap Game Park_May 2017.pdf | 1.04 MB |
Summary of 2017 game counts: Kavango east.
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2017 game counts_Kavango east.pdf | 945.05 KB |
Summary of game counts in north-west Namibia: Regional Summary.
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Game counts in north_west Namibia_Regional Summary_June 2017.pdf | 1.01 MB |
Summary of game counts in north-central Namibia, July 2017.
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Game counts in north_central Namibia_July 2017.pdf | 1.13 MB |
Summary of game counts in north-west Namibia: Conservancies north of the veterinary fence, June 2017.
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Game counts in north_west Namibia_Conservancies north of the veterinary fence_June 2017.pdf | 909.79 KB |
Summary of game counts in north-west Namibia: Palmwag and Etendeka concessions, June 2017.
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Game counts in north_west Namibia_Palmwag and Etendeka concessions_June 2017.pdf | 938.7 KB |
Summary of game counts in north-west Namibia: Hobatere concessions area, June 2017.
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Game counts in north_west Namibia_Hobatere concessions area_June 2017.pdf | 1.06 MB |
Summary of game counts in southern Namibia, May 2017.
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Game counts in southern Namibia_May 2017.pdf | 997.6 KB |
Summary of game counts in east Zambezi, Dry season - Live sightings, 2017.
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Game counts in east Zambezi_Dry season_Live sightings_2017.pdf | 890.83 KB |
Summary of game counts in Bwabwata NP, Dry season - Live sightings, 2017.
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Game counts in Bwabwata NP_Dry season _Live sightings_2017.pdf | 1.01 MB |
Summary of North Central Game Count data up to 2017.
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North Central Game Count data up to 2017.xlsx | 143.47 KB |
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South Game Count data up to 2017.xlsx | 89.28 KB |
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North West Game Count data up to 2017.xlsx | 423.04 KB |
The Iona National Park covers about 15,200 km2 or 1.52 million hectares of Angola's Namibe Province in the south-western part of the country. It is the largest national park in Angola. It is bounded by the Atlantic Ocean to the west, an escarpment to the east that marks the beginning of the interior plateau, the Curoca River to the north, and the Cunene River to the south. It is about 200 kilometres south of the town of Namibe. Iona was proclaimed as a reserve in 1937 and upgraded to a national park in 1964.
This survey attempt to quantify the incidence of human-crocodile conflicts (as form of humanwildlife conflicts) in the three perennial rivers namely: Kunene River, Okavango River and the four Zambezi River channels. These are the three river systems in Namibia that are most affected by human-wildlife conflicts. The survey further examine the perspective of local people who use these rivers on HWC, by unpacking the root causes of conflicts and identifying methods to mitigate HWC in the future.
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Aerial count of the roan antelope and other wildlife species in Khaudum National Park_2016.pdf | 2.56 MB |
This is the third article in a series describing the results of regular wetland bird counts in Namibia and groups together inland sites where water is seasonally present as well as three sewage treatment plants. The article gives details for ten sites for which ten or more counts are available up to the end of 2008.
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Wetland Bird Counts in Namibia 3_Inland Wetlands.pdf | 446.93 KB |
January 2010 announced its arrival with welcome and wide-spread rain throughout Namibia. The result of this was that we were expecting bumper counts at many of the inland wetlands, although the two coastal heavyweights would be expected to contribute the majority in terms of numbers, as usual. During this count cycle 26 sites were counted, an increase on previous counts, in no small part due to the efforts of the Namibia Bird Club that is now counting many wetlands around Windhoek.
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Summary of the Summer 2010 Wetland Bird Counts in Namibia.pdf | 268.37 KB |
This is the second article in a series describing the results of regular wetland bird counts in Namibia and groups together inland sites where water is present most of the time. The article gives details for two perennial river sites and nine dams for which ten or more counts are available up to the end of 2008.
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Wetland Bird Counts in Namibia 2_Perennial rivers and dams.pdf | 380.07 KB |
The following is a summary of waterbird count data for selected species in Namibia, covering the period 1977 to December 2008. For each species the Red Data Book (RDB) status, both global and Namibian, is given, the population trend as per Wetlands International, the number of times the species was counted, the number of times it has passed the 1% population criterion, the maximum count and the sites where it has passed the 1% population criterion.
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Trends in Namibian Waterbird Populations 2_Grebes and Pelicans.pdf | 427.67 KB |
Data on wetland bird numbers has been collected in Namibia on an ad hoc basis since the early 1960's. Since 1991 regular counts have been conducted at several sites and thus a considerable amount of data has accumulated. This article and the ones to follow is a summary of the available data and an attempt to derive population trends for selected wetland bird populations. To date (July 2009), data from 1703 counts at 172 places has been entered into a database. A total of 177 different species of waterbird have been counted at these sites.
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Trends in Namibian Waterbird Populations 1_Introduction and Overview.pdf | 175.67 KB |
During the month of July 2009 volunteers once again participated in the winter wetland bird counts all over Namibia. A total of 27 wetlands were counted resulting in just over 99,000 birds of 87 species. The number of sites being counted is up thanks to the Namibia Bird Club, which is now conducting regular counts at Avis Dam, the Gammams (Windhoek) Sewage Works and Monte Christo. The Walvis Bay Ramsar site tops the list with over 50,000 birds, followed by Sandwich Harbour and the Mile 4 Saltworks.
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Summary of the 2009 Winter Wetland Bird Counts in Namibia.pdf | 151.03 KB |
In more than 100 countries, millions of waterbirds are counted each year. Wetlands International coordinates the International Waterbird Census (IWC) throughout the world and the data is used to e.g. designate Wetlands of International Importance and Important Bird Areas. Namibia has participated in these counts since 1990 and hence a considerable set of data has accumulated. Data is on hand for 1703 (as at July 2009) waterbird counts at 172 sites in Namibia. The earliest counts are from 1976 and a peak in terms of sites counted was reached in 1995 when 73 wetlands were counted…
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Wetland Bird Counts in Namibia 1_Introduction and Overview.pdf | 139.9 KB |
Poster summarising the results of the 2010 game count in the South.
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South game count poster 2010.pdf | 585.11 KB |