Local diversity of arable weeds increases with landscape
... landscape complexity and local species richness of arable weeds in wheat fields. The fields were located in 18 landscapes characterised by a gradient in landscape complexity from structurally complex to structurally simple (39–94% arable land). We quantified local site conditions, field management inten ...
... landscape complexity and local species richness of arable weeds in wheat fields. The fields were located in 18 landscapes characterised by a gradient in landscape complexity from structurally complex to structurally simple (39–94% arable land). We quantified local site conditions, field management inten ...
Bird Island Biodiversity Action Plan
... Cooe (2008)5 noted “The loss of extensive areas of seagrass along the Adelaide metropolitan coast has caused the mobilisation of exposed sediment. Resuspended sediment moves northwards and is deposited on sand banks (such as Section Bank [Bird Island]) off Outer Harbor and the northern beaches”. As ...
... Cooe (2008)5 noted “The loss of extensive areas of seagrass along the Adelaide metropolitan coast has caused the mobilisation of exposed sediment. Resuspended sediment moves northwards and is deposited on sand banks (such as Section Bank [Bird Island]) off Outer Harbor and the northern beaches”. As ...
Family and Consumer Sciences
... capacity of the soil. I can conduct an experiment providing evidence for the role of organic matter related to the water holding capacity of the soil. I can conduct a soil sample test to determine the pH. I can understand how to correct a pH problem. I can comprehend soil salinity and why it is impo ...
... capacity of the soil. I can conduct an experiment providing evidence for the role of organic matter related to the water holding capacity of the soil. I can conduct a soil sample test to determine the pH. I can understand how to correct a pH problem. I can comprehend soil salinity and why it is impo ...
The Dodo and the Tambalacoque Tree: An Obligate Mutualism
... prevents microbial attack) germinated very well (79.1%, 89.7%, and 93.3%), seeds from ripe fruits germinated relatively poorly (46.2%), and seeds from rotted fruits failed to germinate at all (Jackson et al. 1988). These results and the observation of wholesale seed spoilage by G. Souchon suggest th ...
... prevents microbial attack) germinated very well (79.1%, 89.7%, and 93.3%), seeds from ripe fruits germinated relatively poorly (46.2%), and seeds from rotted fruits failed to germinate at all (Jackson et al. 1988). These results and the observation of wholesale seed spoilage by G. Souchon suggest th ...
Holocarpha macradenia response to experimental disturbance
... 2001). In plant communities, groups of species may share vulnerable life history stages because of the consistency of disturbance regimes across large geographic areas (Axelrod 1985). For example, numerous studies in productive grasslands suggest that germination may be the primary limiting life his ...
... 2001). In plant communities, groups of species may share vulnerable life history stages because of the consistency of disturbance regimes across large geographic areas (Axelrod 1985). For example, numerous studies in productive grasslands suggest that germination may be the primary limiting life his ...
Native Forest Restoration Guide
... The following list includes relatively hardy, coloniser species that can be used liberally for initial plantings on bare sites. Remember to choose plants which are characteristic of your site, and check what naturally grows there and the position of different species from stream-edge to ridge. Consi ...
... The following list includes relatively hardy, coloniser species that can be used liberally for initial plantings on bare sites. Remember to choose plants which are characteristic of your site, and check what naturally grows there and the position of different species from stream-edge to ridge. Consi ...
The impact of herbicides on weed abundance and biodiversity PN0940
... In considering non-target plants within arable fields, the majority of plant species that are found are of only minor concern to farmers, unless present at high population density. Under horticultural conditions, it can be argued that all weeds are targets, providing some difficulty for formal risk ...
... In considering non-target plants within arable fields, the majority of plant species that are found are of only minor concern to farmers, unless present at high population density. Under horticultural conditions, it can be argued that all weeds are targets, providing some difficulty for formal risk ...
Aquaculture activities in Fiji - Archimer
... Because of the results obtained during the 1st phase, the aim at this stage was to try and solve the domestic demands for prawns. The farm was then planned to be expanded from 7 ha to 20 hectares. During November 1985, the Raviravi Prawn Farm had changed its name to Prawns Fiji Ltd. This came about ...
... Because of the results obtained during the 1st phase, the aim at this stage was to try and solve the domestic demands for prawns. The farm was then planned to be expanded from 7 ha to 20 hectares. During November 1985, the Raviravi Prawn Farm had changed its name to Prawns Fiji Ltd. This came about ...
Designing Species-Rich, Pest-Suppressive Agroecosystems
... agroforestry, and complex home gardens. In modern agricultural systems, the same strategy can be used, with the following key ecological guidelines: • Increase species in time and space through multiple cropping and agroforestry designs. • Increase genetic diversity through variety mixtures, multili ...
... agroforestry, and complex home gardens. In modern agricultural systems, the same strategy can be used, with the following key ecological guidelines: • Increase species in time and space through multiple cropping and agroforestry designs. • Increase genetic diversity through variety mixtures, multili ...
Invasive Species
... Parks Victoria uses a risk-based approach to target control programs in areas in parks of highest value exposed to the greatest threat from introduced species. Parks Victoria also responds to concerns from park neighbours and supports the management of pest plants and animals through Good Neighbour ...
... Parks Victoria uses a risk-based approach to target control programs in areas in parks of highest value exposed to the greatest threat from introduced species. Parks Victoria also responds to concerns from park neighbours and supports the management of pest plants and animals through Good Neighbour ...
the_double_life_of_a_squirrel_lesson-new
... tradeoff. More complicated still is when the same species is both a seed predator and disperser, such as with squirrels. Squirrels are voracious seed predators, so it is hard to imagine that they can also benefit seeds. Their interesting behavior of caching, or burying and storing seeds for a later ...
... tradeoff. More complicated still is when the same species is both a seed predator and disperser, such as with squirrels. Squirrels are voracious seed predators, so it is hard to imagine that they can also benefit seeds. Their interesting behavior of caching, or burying and storing seeds for a later ...
The War on Pests: Dealing to Key Pest Plants and Animals That
... hand weeding). Logistics. This includes prioritising actions where resources are limited, and determining if we need to achieve a certain goal (e.g. eradication of goats or control of ship rats and stoats), and the minimum budget per hectare required. Coordination. Develop a strategy for communicati ...
... hand weeding). Logistics. This includes prioritising actions where resources are limited, and determining if we need to achieve a certain goal (e.g. eradication of goats or control of ship rats and stoats), and the minimum budget per hectare required. Coordination. Develop a strategy for communicati ...
Impact of Alien Plants on Hawaii`s Native Biota
... invasive weeds; the remainder generally require some form of disturbance in order to become established. The lowland ecosystems have suffered the most disruption from alien species because of agriculture, fire, and urbanization. However, all vegetation types have been affected to some degree. The ec ...
... invasive weeds; the remainder generally require some form of disturbance in order to become established. The lowland ecosystems have suffered the most disruption from alien species because of agriculture, fire, and urbanization. However, all vegetation types have been affected to some degree. The ec ...
The War on Pests - Environment Canterbury
... hand weeding). Logistics. This includes prioritising actions where resources are limited, and determining if we need to achieve a certain goal (e.g. eradication of goats or control of ship rats and stoats), and the minimum budget per hectare required. Coordination. Develop a strategy for communicati ...
... hand weeding). Logistics. This includes prioritising actions where resources are limited, and determining if we need to achieve a certain goal (e.g. eradication of goats or control of ship rats and stoats), and the minimum budget per hectare required. Coordination. Develop a strategy for communicati ...
Grovetown Lagoon kit
... students, either with or without a representative from the Department of Conservation. Background information is provided on relevant topics, and activities based on the themes for this kit are explained. Some activities are appropriate for all ages, others are more appropriate for a particular age ...
... students, either with or without a representative from the Department of Conservation. Background information is provided on relevant topics, and activities based on the themes for this kit are explained. Some activities are appropriate for all ages, others are more appropriate for a particular age ...
Crazy Snake Worms - Connecticut Gardener
... changed into available forms as they pass through the gut of the earthworm and any nutrients not taken up by plants can be leached into the soil and into water bodies. Seeds of forest trees and flowers no longer have a germination bed and, lacking the cover of the litter layer, are also exposed to i ...
... changed into available forms as they pass through the gut of the earthworm and any nutrients not taken up by plants can be leached into the soil and into water bodies. Seeds of forest trees and flowers no longer have a germination bed and, lacking the cover of the litter layer, are also exposed to i ...
Growing Valley Oak
... multiple longitudinal cracks at their distal even in relatively deep pots (16 inches), air--and do not grow any longer. This (narrow) ends. There was no relationship this happens very quickly (less than eight determines the length of time tap-rooted between seed size and seed cracking. Gerweeks) in ...
... multiple longitudinal cracks at their distal even in relatively deep pots (16 inches), air--and do not grow any longer. This (narrow) ends. There was no relationship this happens very quickly (less than eight determines the length of time tap-rooted between seed size and seed cracking. Gerweeks) in ...
Biological control of plant pathogens
... successful biocontrol 1. Highly effective biocontrol strain must be obtained or produced a. Be able to compete and persist b. Be able to colonize and proliferate c. Be non-pathogenic to host plant and ...
... successful biocontrol 1. Highly effective biocontrol strain must be obtained or produced a. Be able to compete and persist b. Be able to colonize and proliferate c. Be non-pathogenic to host plant and ...
Ecological Succession - Miami Beach Senior High School
... • Invasive species have been characterized as a “catastrophic wildfire in slow motion.” Thousands of nonnative invasive plants have infested millions of acres of land and water across the Nation. • These invaders cause massive disruptions in ecosystems by reducing biodiversity and degrading the heal ...
... • Invasive species have been characterized as a “catastrophic wildfire in slow motion.” Thousands of nonnative invasive plants have infested millions of acres of land and water across the Nation. • These invaders cause massive disruptions in ecosystems by reducing biodiversity and degrading the heal ...
Consortium for Educational Communication
... instances wherein the seeds or fruits are dropped from the plant into the rivers, lakes or seas, and being less dense than water, they float and some of them can germinate if, on being washed up on land, the conditions are favourable. Plants such as Pond Iris grow in or near freshwater. The seed pod ...
... instances wherein the seeds or fruits are dropped from the plant into the rivers, lakes or seas, and being less dense than water, they float and some of them can germinate if, on being washed up on land, the conditions are favourable. Plants such as Pond Iris grow in or near freshwater. The seed pod ...
Ecological Succession
... • Invasive species have been characterized as a “catastrophic wildfire in slow motion.” Thousands of nonnative invasive plants have infested millions of acres of land and water across the Nation. • These invaders cause massive disruptions in ecosystems by reducing biodiversity and degrading the heal ...
... • Invasive species have been characterized as a “catastrophic wildfire in slow motion.” Thousands of nonnative invasive plants have infested millions of acres of land and water across the Nation. • These invaders cause massive disruptions in ecosystems by reducing biodiversity and degrading the heal ...
Chapter 4 – BIOLOGICAL CONTROL
... strengths can become great liabilities if the agent also begins to attack desirable species (Pemberton1985; Lockwood 1993, 2000; McEvoy and Coombs 2000). Because of this, weed biocontrol researchers take pains to locate and use agents that are specific to the targeted weed and will not attack other ...
... strengths can become great liabilities if the agent also begins to attack desirable species (Pemberton1985; Lockwood 1993, 2000; McEvoy and Coombs 2000). Because of this, weed biocontrol researchers take pains to locate and use agents that are specific to the targeted weed and will not attack other ...
Selecting and Installing Turfgrass on the Landscape Site
... • Nodes- is the point on the stem where a new sheath for a leaf begins to grow • Sheath- The tubular portion of the leaf which wraps around or encloses the stem. • Blade-The blade is the part of the leaf that protrudes from the stem ...
... • Nodes- is the point on the stem where a new sheath for a leaf begins to grow • Sheath- The tubular portion of the leaf which wraps around or encloses the stem. • Blade-The blade is the part of the leaf that protrudes from the stem ...
2001japplecol
... banks are one of the most important factors limiting efforts to biologically control exotic weeds (Holloway 1964; Dahlsten 1986). Crawley, Harvey & Purvis (1996) found that British aliens were more likely than natives to have long-term seed banks, although this may not apply equally to all groups (H ...
... banks are one of the most important factors limiting efforts to biologically control exotic weeds (Holloway 1964; Dahlsten 1986). Crawley, Harvey & Purvis (1996) found that British aliens were more likely than natives to have long-term seed banks, although this may not apply equally to all groups (H ...
Accounting for soil biotic effects on soil health and crop productivity
... A crop rotation corresponds to the successive cultivation of different crops in a specified order in the same field (Fig. 1). Crop rotation is considered a cornerstone of ‘integrated farming’,11 being recommended by the Common Agricultural Program of the European Union.12 According to Hazell and Nor ...
... A crop rotation corresponds to the successive cultivation of different crops in a specified order in the same field (Fig. 1). Crop rotation is considered a cornerstone of ‘integrated farming’,11 being recommended by the Common Agricultural Program of the European Union.12 According to Hazell and Nor ...