نتایج جستجو برای: permanent river

تعداد نتایج: 145326  

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2015
C A R Dias V L Queirogas M A Pedersoli

Two groups of pygmy marmoset (Cebuella pygmaea) were rescued along the left bank of the Madeira River during the formation of Santo Antônio Hydroelectric Dam reservoir in the state of Rondônia, Northern Brazil. Reintroduction of both groups occurred in areas of open Tropical rainforest located within the project´s Permanent Preservation Area. A post-release monitoring was conducted for three mo...

2005
R. M. CONNOLLY A. DALTON

Fish associated with Australian saltmarshes have previously been sampled fi-om within creeks or semi-permanent pools on the marsh; this is the first record of fish use of marsh flats inundated on high tides but emergent on low tides. Buoyant pop nets (9 m^ 1 mm mesh) were used to collect fish from two areas of the marsh flat on Torrens Island in the Barker Inlet-Port River estuary. South Austra...

2001
Kevin O’Hara

The Niger Delta is a wetland of about 70,000 square kilometres. It spreads over a number of ecological zones: sandy coastal ridge barriers, brackish or saline mangroves, freshwater permanent and seasonal swamp forests, and lowland rain forests. Over the years, the rainforest area has been cultivated, leaving only the seasonal and permanent swamps as original vegetation. Subsistence farming and ...

2005
Rosana Ferrati Graciela A. Canziani

There are several freshwater systems associated to large rivers in South America, being the inland wetlands one of substantial significance from an environmental and ecological point of view. Largely sub-valued and unknown, the permanent-temporary flooded ecosystems related to the Parana River in Argentina and Paraguay must be studied in view to their conservation. In the particular case of the...

2004
Kirsi Karila Mika Karjalainen Juha Hyyppä

The centre of the Turku city by the river of Aurajoki in Finland has been built on clay and silt soil. The level of the ground water has been constantly lowering during the last few centuries due to the postglacial land uplift and extensive water usage leaving the old wooden pilework exposed to decaying. The decaying has led to the subsidence of some historical buildings in the old centre of Tu...

Journal: :Environmental management 2013
Neil Aldrin D Mallari Nigel J Collar Philip J K McGowan Stuart J Marsden

The lack of scientific baseline information hinders appropriate design and management of protected areas. To illustrate the value of science to management, we consider five scenarios for the 202.0 km² Puerto Princesa Subterranean River National Park, Philippines: (1) closure to human activities, (2) and (3) two levels of increase in unplanned human activities, (4) creation of a forest corridor ...

2009
David L. Morgan Howard S. Gill

In order to determine whether certain fish species or groups of species are associated with the different habitat types occurring in the inland waterbodies of south-western Australia, 239 sites sampled between Margaret River and Broke Inlet were assigned to appropriate Ramsar wetland categories and their fish assemblages then subjected to classification, Each of the sample sites fell into one o...

2009
Mirta SUDARIĆ BOGOJEVIĆ Enrih MERDIĆ Ivana VRUĆINA Sanja MERDIĆ

The monitoring of the mosquito population for the purpose of possible better mosquito control took place in Osijek from 1995-2004. For the period of ten years, the primary research method for monitoring the mosquitoes used was dry ice baited CDC-traps. This provided significant information on mosquito species, their dynamics and seasonal activity. In total, 207,136 mosquito specimens were colle...

Journal: :journal of dental research, dental clinics, dental prospects 0
hamidreza poureslami naser asl aminabadi alireza sighari deljavan leila erfanparast tabriz university of medical sciences, iran azin sohrabi zahra jamali

background and aims. predicting the teeth eruption time is a valuable tool in pediatric dentistry since it can affects scheduling dental and orthodontic treatments. this study investigated the relationship between the eruption time of first primary and permanent teeth and the variation in the eruption time considering socioeconomic status (ses) in a 9-year population- based cohort study. materi...

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