Responses of Hippopotamus amphibius to environmental changes at Bui National Park, Ghana

Hoellein, 2014, Anthropogenic litter in urban freshwater ecosystems: distribution and microbial interactions, PLoS One, 6 Scott, 2013, Leaf-litter stoichiometry is affected by stream water phosphorus concentrations and litter type. Freshwater, Science, 32, 753 Wallace, 1997, Multiple trophic levels of a forest stream linked to terrestrial litter inputs, Science, 277, 102, 10.1126/science.277.5322.102 Shurin, 2020, Ecosystem effects of the world’s largest invasive animal, Ecology, 101, 10.1002/ecy.2991 Subalusky, 2015, The hippopotamus conveyor belt: vectors of carbon and nutrients from terrestrial grasslands to aquatic systems in sub-Saharan Africa, Freshw. Biol., 60, 512, 10.1111/fwb.12474 McCauley, 2015, Carbon stable isotopes suggest that hippopotamus-vectored nutrients subsidize aquatic consumers in an East African river, Ecosphere, 6, 1, 10.1890/ES14-00514.1 Lewison, 2004, Exploring behavior of an unusual megaherbivore: a spatially explicit foraging model of the hippopotamus, Ecol. Model., 171, 127, 10.1016/S0304-3800(03)00305-3 Spellerberg, 2005 Siddig, 2016, How do ecologists select and use indicator species to monitor ecological change? Insights from 14 years of publication in ecological indicators, Ecol. Indic., 60, 223, 10.1016/j.ecolind.2015.06.036 Parent-Doliner, 2018 Bartell, 2006, Biomarkers, bioindicators, and ecological risk assessment - a brief review and evaluation, Environ. Bioindic., 1, 60, 10.1080/15555270591004920 Landres, 1988, Ecological uses of vertebrate indicator species: a critique, Conserv. Biol., 2, 316, 10.1111/j.1523-1739.1988.tb00195.x Burger, 2006, Bioindicators: types, development, and use in ecological assessment and research, Environ. Bioindic., 1, 22, 10.1080/15555270590966483 Morrison, 2009 Lindenmayer, 2011, Direct measurement versus surrogate indicator species for evaluating environmental change and biodiversity loss, Ecosystems, 14, 47, 10.1007/s10021-010-9394-6 Peck, 2014, Cost-effectiveness of using small vertebrates as indicators of disturbance, Conserv. Biol., 28, 1331, 10.1111/cobi.12373 Caro, 1999, On the use of surrogate species in conservation biology, Conserv. Biol., 13, 805, 10.1046/j.1523-1739.1999.98338.x Ogden, 2014, Waterbirds as indicators of ecosystem health in the coastal marine habitats of southern Florida: 1. Selection and justification for a suite of indicator species, Ecol. Indic., 44, 148, 10.1016/j.ecolind.2014.03.007 Serena, 2005, Relationship of sediment toxicants and water quality to the distribution of platypus populations in urban streams, J. N. Am. Benthol. Soc., 24, 679, 10.1899/04-024.1 Klamt, 2011, Early response of the platypus to climate warming, Glob. Chang. Biol., 17, 3011, 10.1111/j.1365-2486.2011.02472.x Caputi, 2010, The effect of climate change on the western rock lobster (Panulirus cygnus) fishery of Western Australia, Can. J. Fish. Aquat. Sci., 67, 85, 10.1139/F09-167 Eltringham, 1993, The common Hippotamus (H. amphibious), 19 Dawson, 2016, Declines in benthic macroinvertebrate community metrics and microphytobenthic biomass in an estuarine lake following enrichment by hippo dung, Sci. Rep., 6, 1, 10.1038/srep37359 Dutton, 2018, Organic matter loading by hippopotami causes subsidy overload resulting in downstream hypoxia and fish kills, Nat. Commun., 9, 1, 10.1038/s41467-018-04391-6 Winkler, 2014, Cues, strategies, and outcomes: how migrating vertebrates track environmental change, Movem. Ecol., 2, 1 Stears, 2018, Effects of the hippopotamus on the chemistry and ecology of a changing watershed, Proc. Natl. Acad. Sci., 115, 28, 10.1073/pnas.1800407115 Stommel, 2016, The effect of reduced water availability in the great Ruaha River on the vulnerable common hippopotamus in the Ruaha National Park, Tanzania, PLoS One, 11, 10.1371/journal.pone.0157145 Onyeanusi, 1999, Some ecological roles of Hippopotamus (Hippopotamus amphibious Linn. 1758) in fish production: possibilities for integrated fish-cum Agric production system Collier, 2019, Effects of anthropic actions and forest areas on a neotropical aquatic ecosystem, Sci. Total Environ., 691, 367, 10.1016/j.scitotenv.2019.07.122 Pennisi, 2014, The river masters, Science, 346, 802, 10.1126/science.346.6211.802 Masese, 2020, Hippopotamus are distinct from domestic livestock in their resource subsidies to and effects on aquatic ecosystems, Proc. Royal Soc. B, 287, 2019 Dawson, 2020, Fatty acid analyses provide novel insights on hippo defecation and consequences for aquatic food webs, Sci. Rep., 10, 1, 10.1038/s41598-020-68369-5 Dawson, 2019 Ijeomah, 2011, Ecotourism potentials of plateau state, Nigeria: a monitoring survey, Asia Pac. J. Tourism Res., 16, 153, 10.1080/10941665.2011.556338 Timbuka, 2012 Odum, 1971 Meraj, 2021, Role of natural capital economics for sustainable management of earth resources, Earth, 2, 622, 10.3390/earth2030036 Kujirakwinja, 2010 Bibo, 2012 Dansgaard, 1964, Stable isotopes in precipitation, Tellus, 16, 436, 10.1111/j.2153-3490.1964.tb00181.x Alhassan, 2015, Fish abundance and diversity during the pre-and post-impoundment periods of the black Volta at Bui, Ghana, J. Appl. Sci. Res., 11, 42 Dankwa, 1999, Freshwater fishes of Ghana: In identification, distribution, ecological and economic importance, 63(71) Coplen, 1994, Reporting of stable hydrogen, carbon, and oxygen isotopic abundances, Pure Appl. Chem., 66, 273, 10.1351/pac199466020273 Alhassan, 2015, Seasonal variations in phytoplankton diversity in the Bui dam area of the black Volta in Ghana during the pre-and post-impoundment periods, Rev. Biol. Trop., 63, 13, 10.15517/rbt.v63i1.14230 Lund, 1958, Le Cren, the inverted microscope method of estimating algal numbers and the statistical basis of estimations by counting, Hydrobiologia, 11, 143, 10.1007/BF00007865 Needham, 1938 Shannon, 1963 Heck, 1975, Explicit calculation of the rarefaction diversity measurement and the determination of sufficient sample size, Ecology, 56, 1459, 10.2307/1934716 Siegel, 2006 R Core Team, 2020 Solo, 2013, Stable hydrogen and oxygen isotopes in aquatic food webs are tracers of diet and provenance, Funct. Ecol., 27, 535, 10.1111/1365-2435.12054 Winslow, 2016, Lake metabolizer: an R package for estimating Lake metabolism from free-water oxygen using diverse statistical models, Inland. Waters, 6, 622, 10.1080/IW-6.4.883 Doughty, 2016, Global nutrient transport in a world of giants, Proc. Natl. Acad. Sci., 113, 868, 10.1073/pnas.1502549112 Tanvir, 2021, Cyanobacterial community succession and associated cyanotoxin production in hypereutrophic and eutrophic freshwaters, Environ. Pollut., 290, 10.1016/j.envpol.2021.118056 Saari, 2018, Revisiting inland hypoxia: diverse exceedances of dissolved oxygen thresholds for freshwater aquatic life, Environ. Sci. Pollut. Res., 25, 3139, 10.1007/s11356-017-8908-6 Dean, 1999, Responses of seven species of native freshwater fish and a shrimp to low levels of dissolved oxygen, N. Z. J. Mar. Freshw. Res., 33, 99, 10.1080/00288330.1999.9516860 Weinke, 2018, From bacteria to fish: ecological consequences of seasonal hypoxia in a Great Lakes estuary, Ecosystems, 21, 426, 10.1007/s10021-017-0160-x Zabbey, 2008, Plankton assemblages and environmental gradients in the middle reaches of the Imo-river, Niger Delta, Nigeria, Afr. J. Aquat. Sci., 33, 241, 10.2989/AJAS.2008.33.3.6.618 Obirikorang, 2020, Growth, metabolism and respiration in Nile tilapia (Oreochromis niloticus) exposed to chronic or periodic hypoxia, Comp. Biochem. Physiol. A Mol. Integr. Physiol., 248, 10.1016/j.cbpa.2020.110768 Egwui, 2013, Preliminary trials on taming and feeding of young adults of wild African snakehead (Channa obscura Myers and Shapovalov, 1932) from Anambra River, South East of Nigeria, J. Biol. Agric. Healthc., 3, 51 Kolesnikov, 2012, Survival of ground beetles (Coleoptera: Carabidae) submerged during floods: field and laboratory studies, Europ. J. Entomol., 109, 71, 10.14411/eje.2012.009 Wolanski, 1999, Oxygen cycle in a hippo pool, Serengeti National Park, Tanzania, Afr. J. Ecol., 37, 419, 10.1046/j.1365-2028.1999.00198.x Dakwa, 2020, Seasonal variation in the selection and use of habitats by large herbivores at mole National Park, Ghana, West Afr J. App. Ecol., 28, 132 Grant, 2006, The importance of nutrient hot-spots in the conservation and management of large wild mammalian herbivores in semi-arid savannas, Biol. Conserv., 130, 426, 10.1016/j.biocon.2006.01.004 Schreve, 2009, A new record of Pleistocene hippopotamus from river Severn terrace deposits, Gloucester, UK - palaeoenvironmental setting and stratigraphical significance, Proc. Geol. Assoc., 120, 58, 10.1016/j.pgeola.2009.03.003 Inman, 2021, Temporal and spatial patterns of common hippopotamus populations in the Okavango Delta, Botswana, Freshw. Biol., 1 Shilla, 2014, Large terrestrial mammals as indicator species for climate change effects in Tanzania: Implications for policy Newson, 2008, Indicators of the impact of climate change on migratory species. Endangered species, Research., 7, 101 Monzon, 2011, Climate change and species dynamics in protected areas, BioScience, 61, 752, 10.1525/bio.2011.61.10.5 Plotz, 2014 Kanga, 2011, Population trend and distribution of the vulnerable common hippopotamus Hippopotamus amphibius in the Mara region of Kenya, Oryx, 45, 20, 10.1017/S0030605310000931