Species composition and functional structure of herbaceous vegetation in a tropical wetland system

Biodiversity and Conservation

Volumn 21, Issue 11, 2012, Pages 2865-2885

  Andrew, Samora M ^a,b   Moe, Stein R ^a   Totland, Ørjan ^a   Munishi, Pantaleo K T ^b  

^a NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

^b SOKOINE UNIVERSITY OF AGRICULTURE   (Tanzania)

Author keywords

Biodiversity conservation; Floodplain; Invasive plants; Kilombero; Plant functional groups; Ramsar; Spatial heterogeneity

Indexed keywords

ANTHROPOGENIC EFFECT; BIODIVERSITY; CANONICAL ANALYSIS; CATTLE; CONSERVATION MANAGEMENT; DICOTYLEDON; FLOODPLAIN; FUNCTIONAL GROUP; GRASSLAND; HERB; HETEROGENEITY; HUMAN ACTIVITY; HUMAN SETTLEMENT; INVASIVE SPECIES; RAMSAR CONVENTION; RESTORATION ECOLOGY; TOTAL ORGANIC CARBON; TROPICAL REGION; WETLAND;

KILOMBERO VALLEY; MOROGORO [TANZANIA]; TANZANIA;

ANIMALIA; BOS; POLYGALA; POLYGALA PANICULATA;

EID: 84866107009     PISSN: 09603115     EISSN: 15729710     Source Type: Journal    
DOI: 10.1007/s10531-012-0342-y     Document Type: Article

References (64)

1. Anderson M, Gribble N (1998) Partitioning the variation among spatial, temporal and environmental components in a multivariate data set. Aust J Ecol 23: 158-167.
2. Andersson E, Nilsson C, Johansson ME (2000) Effects of river fragmentation on plant dispersal and riparian flora. Regul Rivers Res Manag 16: 83-89.
3. Bagstad KJ, Stromberg JC, Lite SJ (2005) Response of herbaceous riparian plants to rain and flooding on the San Pedro River, Arizona, USA. Wetlands 25: 210-223.
4. Beentje HJ, Ghazanfar SA (2010) Flora of tropical East Africa. Royal Botanic Gardens, Kew.
5. Bonnington C, Weaver D, Fanning E (2007) Livestock and large wild mammals in the Kilombero Valley, in southern Tanzania. Afr J Ecol 45: 658-663.
6. Booth VR, Njuguna S, Njue E et al (2008) The development and implementation of an integrated management plan of Kilombero Valley flood plain Ramsar site. MNRT. Dar es salaam, p 145.
7. Borcard D, Legendre P, Drapeau P (1992) Partialling out the spatial component of ecological variation. Ecology 73: 1045-1055.
8. Briske DD, Fuhlendorf SD, Smeins FE (2003) Vegetation dynamics on rangelands: a critique of the current paradigms. J Appl Ecol 40: 601-614.
9. Bullock J, Hill BC, Silvertown J, Sutton M (1995) Gap colonization as a source of grassland community change: effects of gap size and grazing on the rate and mode of colonization by different species. Oikos 72: 273-282.
10. Capon SJ (2003) Plant community responses to wetting and drying in a large arid floodplain. River Res Appl 19: 509-520.
11. Capon SJ (2005) Flood variability and spatial variation in plant community composition and structure on a large arid floodplain. J Arid Environ 60: 283-302.
12. Dai X (2000) Impact of cattle dung deposition on the distribution pattern of plant species in an alvar limestone grassland. J Veg Sci 11: 715-724.
13. DiTomaso JM (2000) Invasive weeds in rangelands: species, impacts, and management. Weed Sci 48: 255-265.
14. Environmental Systems Research Institute (2002) Environmental Systems Research Institute Inc. ArcView GIS 3. 3. Redlands, CA.
15. Goodall DW (1952) Some consideration in the use of point quadrats for the analysis of vegetation. Aust J Sci Res B 5: 1-41.
16. Haines R, Lye K (1983) The sedges and rushes of East Africa. East African Natural History Society, Nairobi.
17. Hetzel MW, Alba S, Fankhauser M et al (2008) Malaria risk and access to prevention and treatment in the paddies of the Kilombero Valley, Tanzania. Malar J 7: 1-17.
18. Hill MO, Gauch HG (1980) Detrended correspondence analysis: an improved ordination technique. Vegetatio 42: 47-58.
19. Hobbs R (1991) Disturbance as a precursor to weed invasion in native vegetation. Plant Prot Q 6: 99-104.
20. Hobbs NT (1996) Modification of ecosystems by ungulates. J Wildl Manag 60: 695-713.
21. Hobbs RJ, Huenneke LF (1992) Disturbance, diversity, and invasion: implications for conservation. Conserv Biol 6: 324-337.
22. Holm LRG (1997) World weeds: natural histories and distribution. Wiley, Toronto.
23. Howard G (1992) Floodplains: utilisation and the need for management. IUCN, p 15.
24. Kangalawe RYM, Liwenga ET (2005) Livelihoods in the wetlands of Kilombero Valley in Tanzania: opportunities and challenges to integrated water resource management. Phys Chem Earth 30: 968-975.
25. Keddy PA (2010) Wetland ecology: principles and conservation. Cambridge University, Cambridge.
26. Keddy PA, Fraser LH, Solomeshch AI et al (2009) Wet and wonderful: the world's largest wetlands are conservation priorities. Bioscience 59: 39-51.
27. Khan ZR, Pickett JA, Berg J et al (2000) Exploiting chemical ecology and species diversity: stem borer and striga control for maize and sorghum in Africa. Pest Manag Sci 56: 957-962.
28. Kohler F, Gillet F, Gobat JM, Buttler A (2004) Seasonal vegetation changes in mountain pastures due to simulated effects of cattle grazing. J Veg Sci 15: 143-150.
29. Legendre P, Gallagher ED (2001) Ecologically meaningful transformations for ordination of species data. Oecologia 129: 271-280.
30. Lenssen J, De Kroon H (2005) Abiotic constraints at the upper boundaries of two Rumex species on a freshwater flooding gradient. J Ecol 93: 138-147.
31. Lenssen J, Menting F, van der Putten W, Blom K (1999) Control of plant species richness and zonation of functional groups along a freshwater flooding gradient. Oikos 86: 523-534.
32. Lepš J, Šmilauer P (2003) Multivariate analysis of ecological data using CANOCO. Cambridge University, Cambridge.
33. Malo J, Jiménez B, Suarez F (2000) Herbivore dunging and endozoochorous seed deposition in a Mediterranean dehesa. J Range Manag 53: 322-328.
34. McCune B, Grace JB (2002) Analysis of ecological communities. MjM Software, Gleneden Beach 304.
35. McIntyre S, Lavorel S (2001) Livestock grazing in subtropical pastures: steps in the analysis of attribute response and plant functional types. J Ecol 89: 209-226.
36. Merritt DM, Nilsson C, Jansson R (2010) Consequences of propagule dispersal and river fragmentation for riparian plant community diversity and turnover. Ecol Monogr 80: 609-626.
37. Milbau A, Andi N (2004) The role of species traits (invasiveness) and ecosystem characteristics (invasibility) in grassland invasions: a framework. Weed Technol 18: 1301-1304.
38. Milchunas DG, Lauenroth WK (1993) Quantitative effects of grazing on vegetation and soils over a global range of environments. Ecol Monogr 63: 327-366.
39. Millenium Ecosystem Assessment (2005) Ecosystems and human well-being: wetlands and water-synthesis. World Resource Institute, Washington.
40. Ministry of Natural Resources and Tourism (2004) The development and implementation of an integrated management plan of Kilombero Valley Flood Plain Ramsar Site: identification report. MNRT, Dar es Salaam.
41. Mombo F, Speelman S, van Huylenbroeck G et al (2011) Ratification of the Ramsar convention and sustainable wetlands management: situation analysis of the Kilombero Valley wetlands in Tanzania. J Agric Ext Rural Dev 3: 53-64.
42. Moran J, Skeffington MS, Gormally M (2008) The influence of hydrological regime and grazing management on the plant communities of a karst wetland (Skealoghan turlough) in Ireland. Appl Veg Sci 11: 13-24.
43. Moser K, Ahn C, Noe G (2007) Characterization of microtopography and its influence on vegetation patterns in created wetlands. Wetlands 27: 1081-1097.
44. Neff K, Baldwin A (2005) Seed dispersal into wetlands: techniques and results for a restored tidal freshwater marsh. Wetlands 25: 392-404.
45. Økland RH (1999) On the variation explained by ordination and constrained ordination axes. J Veg Sci 10: 131-136.
46. Økland RH, Eilertsen O (1994) Canonical correspondence analysis with variation partitioning: some comments and an application. J Veg Sci 5: 117-126.
47. Palmer M (2012) Ordination methods for ecologists. http://ordination. okstate. edu/. Accessed April 2012.
48. Parry ML (2007) Climate change impacts, adaptation and vulnerability: contribution of Working Group II to the fourth assessment report of the Intergovernmental Panel on Climate Change. Cambridge University, Cambridge.
49. Polhill D (1988) Flora of tropical East Africa: index of collecting localities. Royal Botanic Gardens, Kew.
50. Ramsar (2011) The Ramsar convection on wetlands database. http://www. ramsar. org. Accessed 28 Jul 2011.
51. Rea N, Storrs MJ (1999) Weed invasions in wetlands of Australia's Top End: reasons and solutions. Wetl Ecol Manag 7: 47-62.
52. Reeves PN, Champion PD (2004) Effects of livestock grazing on wetlands: literature review. Environment Waikato technical report no. 2004/16.
53. Schipper AM, Lotterman K, Leuven RSEW et al (2011) Plant communities in relation to flooding and soil contamination in a lowland Rhine River floodplain. Environ Pollut 159: 182-189.
54. Schuyt KD (2005) Economic consequences of wetland degradation for local populations in Africa. Ecol Econ 53: 177-190.
55. Simberloff D, Rejmánek M (2011) Encyclopedia of biological invasions, vol 3. University of California Press, Berkeley.
56. Starkey M, Birnie N, Cameron A et al (2002) The Kilombero Valley Wildlife Project: an ecological and social survey in the Kilombero Valley, Tanzania. Edinburgh, p 176.
57. Swanson F, Kratz T, Caine N, Woodmansee R (1988) Landform effects on ecosystem patterns and processes. Bioscience 38: 92-98.
58. ter Braak CJF, Šmilauer P (2002) CANOCO reference manual and CanoDraw for Windows user's guide: software for canonical community ordination (version 4. 5). Microcomputer Power, Ithaca, p 500.
59. Tousignant ME, Pellerin S, Brisson J (2010) The relative impact of human disturbances on the vegetation of a large wetland complex. Wetlands 30: 333-344.
60. van der Valk A (2006) The biology of freshwater wetlands. Oxford University, Oxford.
61. Vervuren P, Blom C, De Kroon H (2003) Extreme flooding events on the Rhine and the survival and distribution of riparian plant species. J Ecol 91: 135-146.
62. Walkley A, Black IA (1934) An examination of Degtjareff method for determining soil organic matter and a proposed modification of the chromic acid titration method. Soil Sci 37: 29-37.
63. Wassen MJ, Peeters WHM, Olde Venterink H (2003) Patterns in vegetation, hydrology, and nutrient availability in an undisturbed river floodplain in Poland. Plant Ecol 165: 27-43.
64. Zedler J, Kercher S (2004) Causes and consequences of invasive plants in wetlands: opportunities, opportunists, and outcomes. Crit Rev Plant Sci 23: 431-452.