The grass is greener
... species that was introduced to the region in the 1960s. This invasion will surely affect the structure, functioning, services and processes (such as the vegetation composition, ground water dynamics and soil nutrient cycles) of the ecosystem. However, indepth studies probing the causes and effects o ...
... species that was introduced to the region in the 1960s. This invasion will surely affect the structure, functioning, services and processes (such as the vegetation composition, ground water dynamics and soil nutrient cycles) of the ecosystem. However, indepth studies probing the causes and effects o ...
The vegetation of Omusati and Oshana Regions, central- northern Namibia by
... Figure 1 The hierarchical classification units of the Braun-Blanquet system......................................................... 4 Figure 2. The BIOTA southern Africa transects and placement of biodiversity observatories .............................. 6 Figure 3. A schematic layout of a BIOTA ob ...
... Figure 1 The hierarchical classification units of the Braun-Blanquet system......................................................... 4 Figure 2. The BIOTA southern Africa transects and placement of biodiversity observatories .............................. 6 Figure 3. A schematic layout of a BIOTA ob ...
The vegetation of Omusati and Oshana Regions, central
... Figure 1 The hierarchical classification units of the Braun-Blanquet system......................................................... 4 Figure 2. The BIOTA southern Africa transects and placement of biodiversity observatories .............................. 6 Figure 3. A schematic layout of a BIOTA ob ...
... Figure 1 The hierarchical classification units of the Braun-Blanquet system......................................................... 4 Figure 2. The BIOTA southern Africa transects and placement of biodiversity observatories .............................. 6 Figure 3. A schematic layout of a BIOTA ob ...
Fivemile Butte Rangeland Health Assessment
... seeding pasture will be grazed one year and rested the next. The two native pastures will be grazed the year the seeding pasture is rested and rested the year the seeding pastures is grazed. The grazing season is mid March to June 1st and this allows for use on the crested wheatgrass seeding and the ...
... seeding pasture will be grazed one year and rested the next. The two native pastures will be grazed the year the seeding pasture is rested and rested the year the seeding pastures is grazed. The grazing season is mid March to June 1st and this allows for use on the crested wheatgrass seeding and the ...
The impact of overgrazing on reptile diversity and
... In savannah ecosystems, vegetation structures i.e. architecture of trees, shrubs, grass tussocks and herbaceous plants offer a great variety of niches and microhabitats crucial to sustain animal diversity (Lawton 1983; Price 1986; Dean et al. 1999; Tews et al. 2004). This structural diversity (Tews ...
... In savannah ecosystems, vegetation structures i.e. architecture of trees, shrubs, grass tussocks and herbaceous plants offer a great variety of niches and microhabitats crucial to sustain animal diversity (Lawton 1983; Price 1986; Dean et al. 1999; Tews et al. 2004). This structural diversity (Tews ...
Gadids and Alewives - Maine Center for Coastal Fisheries
... found juveniles of cod and other gadids in this area, but very few adults were present (Sherman et al., 2004–2010), corroborating the tagging study results. The depleted area represents the northern third of New England’s coastal shelf. The purpose of this study has been to examine the historical di ...
... found juveniles of cod and other gadids in this area, but very few adults were present (Sherman et al., 2004–2010), corroborating the tagging study results. The depleted area represents the northern third of New England’s coastal shelf. The purpose of this study has been to examine the historical di ...
Miombo Ecoregion Vision Report - Biodiversity Foundation for Africa
... al. 2001), with around 120 in Africa, and the selection of the Global 200 most important ecoregions (WWF 1999). As part of this approach, the WWF Southern Africa Regional Programme Office (WWFSARPO) has embarked on an ecoregion conservation programme for the Miombo (or Southern Caesalpinoid Woodland ...
... al. 2001), with around 120 in Africa, and the selection of the Global 200 most important ecoregions (WWF 1999). As part of this approach, the WWF Southern Africa Regional Programme Office (WWFSARPO) has embarked on an ecoregion conservation programme for the Miombo (or Southern Caesalpinoid Woodland ...
Herbivores, resources and risks: alternating regulation along
... small prey (Figure 2a) [13, 14]. Recent work proposes that predation has a greater impact ...
... small prey (Figure 2a) [13, 14]. Recent work proposes that predation has a greater impact ...
Effects of urbanization on site occupancy and density
... the survey period, in the middle, and then late in the survey period. We included each visit in analyses. Points were located near the center of the grassland and, when possible, at least 100 m from all prairie edges. For small sites, points were located as far from edges as possible. During each co ...
... the survey period, in the middle, and then late in the survey period. We included each visit in analyses. Points were located near the center of the grassland and, when possible, at least 100 m from all prairie edges. For small sites, points were located as far from edges as possible. During each co ...
Biome A Biome B
... Info from: http://www.untamedscience.com/biology/biomes/ & https://sites.google.com/site/climatetypes/ ...
... Info from: http://www.untamedscience.com/biology/biomes/ & https://sites.google.com/site/climatetypes/ ...
CHANGES IN ARTHROPOD ABUNDANCE AND DIVERSITY WITH
... small percentage of these species negatively impact the ecosystems they invade (Simberloff 1981; Morse et al. 1995). Although most invasive plants in the United States are non-native, a few plant species have increased in distribution and dominance in their native ecosystems (Vitousek et al. 1996; B ...
... small percentage of these species negatively impact the ecosystems they invade (Simberloff 1981; Morse et al. 1995). Although most invasive plants in the United States are non-native, a few plant species have increased in distribution and dominance in their native ecosystems (Vitousek et al. 1996; B ...
Annales Zoologici Fennici 33: 371-381
... of the growth season, mainly in September, using an underwater detonation technique (Karås & Neuman 1981). A 20 g charge of dynamite was detonated in the middle of the water column at bottom depths of 1–3 m. All floating dead or stunned fish were collected. Total length (mm) was recorded on fresh ma ...
... of the growth season, mainly in September, using an underwater detonation technique (Karås & Neuman 1981). A 20 g charge of dynamite was detonated in the middle of the water column at bottom depths of 1–3 m. All floating dead or stunned fish were collected. Total length (mm) was recorded on fresh ma ...
usinggrasscarp3600
... consumption is correspondingly low. Some species of algae, such as Pithophora, are particularly unpalatable. In one 5-acre catfish fingerling pond choked with Pithophora, 200 3- to 5-inch grass carp per acre (1,000 total) were required to control the problem. In 2 weeks the producer was able to sein ...
... consumption is correspondingly low. Some species of algae, such as Pithophora, are particularly unpalatable. In one 5-acre catfish fingerling pond choked with Pithophora, 200 3- to 5-inch grass carp per acre (1,000 total) were required to control the problem. In 2 weeks the producer was able to sein ...
Using Grass Carp in Aquaculture and Private Impoundments
... consumption is correspondingly low. Some species of algae, such as Pithophora, are particularly unpalatable. In one 5-acre catfish fingerling pond choked with Pithophora, 200 3- to 5-inch grass carp per acre (1,000 total) were required to control the problem. In 2 weeks the producer was able to sein ...
... consumption is correspondingly low. Some species of algae, such as Pithophora, are particularly unpalatable. In one 5-acre catfish fingerling pond choked with Pithophora, 200 3- to 5-inch grass carp per acre (1,000 total) were required to control the problem. In 2 weeks the producer was able to sein ...
Chapter 7
... Study area The study was conducted in Degua-Temben district, situated in the highlands of northern Ethiopia (Figure 7.1). It is an area with an agricultural history of over 2000 years (McCann, 1995), characterized by high soil erosion rates (Hurni, 1993; Desta Gebremichael et al., 2005; Nyssen et al ...
... Study area The study was conducted in Degua-Temben district, situated in the highlands of northern Ethiopia (Figure 7.1). It is an area with an agricultural history of over 2000 years (McCann, 1995), characterized by high soil erosion rates (Hurni, 1993; Desta Gebremichael et al., 2005; Nyssen et al ...
Coastal and sub-coastal tree swamps
... drainage lines and dune swales, they might be inundated with water for 3–6 months of the year. They might be dominated by one plant species, such as the melaleucas (commonly known as tea-trees or paperbarks) and might also have a small range of trees, shrubs and grasses. These wetlands provide nesti ...
... drainage lines and dune swales, they might be inundated with water for 3–6 months of the year. They might be dominated by one plant species, such as the melaleucas (commonly known as tea-trees or paperbarks) and might also have a small range of trees, shrubs and grasses. These wetlands provide nesti ...
Oligocene mammals from Ethiopia and faunal exchange between
... Supplementary Information) and offers a maximum age for the sediments. Duplicate 40Ar–39Ar analyses of K-feldspar6 from a tuff within the fossiliferous portion of the sedimentary section yield ages with a weighted average of 27.36 ^ 0.11 Myr (see Supplementary Information). These data, along with th ...
... Supplementary Information) and offers a maximum age for the sediments. Duplicate 40Ar–39Ar analyses of K-feldspar6 from a tuff within the fossiliferous portion of the sedimentary section yield ages with a weighted average of 27.36 ^ 0.11 Myr (see Supplementary Information). These data, along with th ...
Arid Recovery Annual Report 2008
... within the Reserve including indicators of overstocking 4. Develop and improve methods for feral animal control and exclusion. While some research is conducted by Arid Recovery staff, other research is in collaboration with external agencies. Arid Recovery continues to maintain strong links with The ...
... within the Reserve including indicators of overstocking 4. Develop and improve methods for feral animal control and exclusion. While some research is conducted by Arid Recovery staff, other research is in collaboration with external agencies. Arid Recovery continues to maintain strong links with The ...
Baltic photic sand dominated by stable
... unattached perennial vegetation covers at least 10%, while perennial attached erect groups cover less than 10% of the bottom. The biotope is rare, but can be found in most of the Baltic Sea area where the salinity is <10 or 5 psu (depending on the area), the exposure is moderate to sheltered and the ...
... unattached perennial vegetation covers at least 10%, while perennial attached erect groups cover less than 10% of the bottom. The biotope is rare, but can be found in most of the Baltic Sea area where the salinity is <10 or 5 psu (depending on the area), the exposure is moderate to sheltered and the ...
`sky islands` of eastern Africa
... alpine habitat exists on punctuated volcanic uplifts. It is, therefore, possible that the alpine zone of most of the high Ethiopian mountains became interconnected and formed one continuous habitat, at least on each side of the Rift Valley under colder climates. The possibility for gradual migration ...
... alpine habitat exists on punctuated volcanic uplifts. It is, therefore, possible that the alpine zone of most of the high Ethiopian mountains became interconnected and formed one continuous habitat, at least on each side of the Rift Valley under colder climates. The possibility for gradual migration ...
Arid Recovery
... Average minimum daily distance moved = 1519 m. A small male cat moved more than 45 km over 2 days. Another small male moved more than 26 km over 3 days. Long range movements such as these indicate that cats are able to quickly re-invade baited areas from non-baited areas. Cats preferred sand dunes a ...
... Average minimum daily distance moved = 1519 m. A small male cat moved more than 45 km over 2 days. Another small male moved more than 26 km over 3 days. Long range movements such as these indicate that cats are able to quickly re-invade baited areas from non-baited areas. Cats preferred sand dunes a ...
A synthetic review of feedbacks and drivers of shrub encroachment
... Many arid grasslands around the world are affected by woody plant encroachment and by the replacement of a relatively continuous grass cover with shrub patches bordered by bare soil. This shift in plant community composition is often abrupt in space and time, suggesting that it is likely sustained b ...
... Many arid grasslands around the world are affected by woody plant encroachment and by the replacement of a relatively continuous grass cover with shrub patches bordered by bare soil. This shift in plant community composition is often abrupt in space and time, suggesting that it is likely sustained b ...
Grasslands of the Aishihik-Sekulmun Lakes Area, Yukon Territory
... Kluane area of southwest Yukon increased with the amount of silt in the soil, support Schweger’s (1992) hypothesis that areas locally in receipt of loess may have been highly productive sites capable of supporting the Beringian grazers, perhaps set within a matrix of less productive vegetation commu ...
... Kluane area of southwest Yukon increased with the amount of silt in the soil, support Schweger’s (1992) hypothesis that areas locally in receipt of loess may have been highly productive sites capable of supporting the Beringian grazers, perhaps set within a matrix of less productive vegetation commu ...
production process
... laboratory and then transferred to the plant process, where they are grown in a nitrogen-enriched sugar medium, fortified with vitamins and minerals for optimum cell activity. After the appropriate number of generations, the mature cell mass is separated from the spent liquid, then delivered as liqu ...
... laboratory and then transferred to the plant process, where they are grown in a nitrogen-enriched sugar medium, fortified with vitamins and minerals for optimum cell activity. After the appropriate number of generations, the mature cell mass is separated from the spent liquid, then delivered as liqu ...
Susan Mullane
... higher wave action and higher current velocities when compared to the other documented location at Fisher Island. Higher wave energy environments make it difficult for the R.mangle to propagate. Furthermore, this area was more susceptible to temperature stress; including high winds and frosts due to ...
... higher wave action and higher current velocities when compared to the other documented location at Fisher Island. Higher wave energy environments make it difficult for the R.mangle to propagate. Furthermore, this area was more susceptible to temperature stress; including high winds and frosts due to ...
Geography of Somalia
Somalia is a country located in the Horn of Africa. It is bordered by Ethiopia to the west, Djibouti to the northwest, the Gulf of Aden to the north, the Indian Ocean to the east, and Kenya to the southwest. With a land area of 637,657 square kilometers, Somalia's terrain consists mainly of plateaus, plains and highlands. Its coastline is more than 3,300 kilometers in length, the longest of mainland Africa and the Middle East.In the far north, the rugged east-west ranges of the Ogo Mountains lie at varying distances from the Gulf of Aden coast. Hot conditions prevail year-round, along with periodic monsoon winds and irregular rainfall. Geology suggests the presence of valuable mineral deposits.