نتایج جستجو برای: livestock trampling

تعداد نتایج: 22539  

P. G. Saptarshi S. W. Gaikwad T. H. Jaweed

The superficial strata of ground have been perennially exposed to the action of natural agents such as heat, cold and water. However, grazing agent was not different from them when soils were investigated from temperate rangelands of Kashmir and caused the soil compaction, soil structure degradation and loss of soil organic C and C/N ratio. Soils from three grazing intensities were investigated...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2009
M N Ferreira S Rosso

Increased tourist activity in coastal regions demands management strategies to reduce impacts on rocky shores. The highly populated coastal areas in southeastern Brazil are an example of degradation caused by development of industry and tourism. Among different shore impacts, trampling has been intensively studied, and may represent a significant source of stress for intertidal fauna. A randomi...

2006
G. G. STRIKER

1. We studied the differences in root strength of species with contrasting root structural types (the grass Paspalum dilatatum and the dicot Lotus glaber ), and their relationship with tolerance to simulated cattle trampling under flooding conditions. 2. Root strength was analysed through measurement of the pressure required to cause root collapse. The responses of aerenchyma and plant mass to ...

2014
Oliver L. Pescott Gavin B. Stewart

Vegetation trampling resulting from recreation can adversely impact natural habitats, leading to the loss of vegetation and the degradation of plant communities. A considerable primary literature exists on this topic, therefore it is important to assess whether this accumulated evidence can be used to reach general conclusions concerning vegetation vulnerability to inform conservation managemen...

Journal: :Environmental management 2003
Ku'ulei Rodgers Evelyn Cox Craig Newtson

In situ trampling occurred under experimental conditions to quantify the differences in the responses to anthropogenic trampling in four dominant species of Hawaiian corals, Porites compressa, Porites lobata, Montipora capitata, and Pocillopora meandrina. Trampling was simulated daily for a period of nine days at which time further breakage was minimal. Forty treatment colonies produced 559 fra...

Journal: :Journal of environmental management 2009
Rachel Hill Catherine Pickering

Experimental trampling trials using a standardized methodology were undertaken in 10 replicate blocks in three vegetation types in an urban reserve in the subtropics of Australia. In each block different intensities of trampling (controls, 10, 25, 50, 100, 150, 200, 250, 300, 400 and 500 passes) were applied, and vegetation parameters were measured pre-trampling, immediately after trampling and...

2016
Thomas A. Schlacher Lucy K. Carracher Nicholas Porch Rod M. Connolly Andrew D. Olds Ben L. Gilby Kasun B. Ekanayake Brooke Maslo Michael A. Weston

Many species of birds breeding on ocean beaches and in coastal dunes are of global conservation concern. Most of these species rely on invertebrates (e.g. insects, small crustaceans) as an irreplaceable food source, foraging primarily around the strandline on the upper beach near the dunes. Sandy beaches are also prime sites for human recreation, which impacts these food resources via negative ...

2010
Meryem ATİK Selçuk SAYAN Osman KARAGÜZEL

Recreation activities could create various impacts on the natural environment. One of the recreation impacts is trampling that largely inevitable wherever nature visits occur. While consequences of trampling disturbance vary by the type of environment; vegetation is a significant indicator representing the form and degree of human-nature relation including recreation use. The aim of this study ...

Abdolreza Bahremand Adel Sepehri Hossein Barani Manijeh Tavan Seid Ali Hoseini

Infiltration rate of water into the soil depends on the factors such as rock and litter cover, canopy cover, rainfall intensity, coarse material, land slope, soil texture and amount of initial soil moisture. The most important factors that are effective in the water infiltration rate of rangelands are livestock trampling and vegetation reduction due to the overgrazing. In present study, through...

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