Download Tech Report #129. Smith, C. W., J. Denslow, and S. Hight. Sept. 2002. Proceedings of a workshop on biological control of invasive plants in native Hawaiian ecosystems
... to offer little chance for success. A weed that has many closely related species native to the area where an agent would be released will require far more effort and funds, and will most likely have fewer acceptable agents, than a weed with few or no close relat~vesin the region of release. Weed tar ...
... to offer little chance for success. A weed that has many closely related species native to the area where an agent would be released will require far more effort and funds, and will most likely have fewer acceptable agents, than a weed with few or no close relat~vesin the region of release. Weed tar ...
Significance and extent of secondary seed dispersal by predatory
... and Falco tinnunculus L. (Eurasian Kestrel). Therefore, secondary seed dispersal occurs and in this case, involves at least three native fleshy-fruited plant species with different effects on viability and germination, depending on the size and hardness of seeds (Nogales et al. 2007). In a recent stu ...
... and Falco tinnunculus L. (Eurasian Kestrel). Therefore, secondary seed dispersal occurs and in this case, involves at least three native fleshy-fruited plant species with different effects on viability and germination, depending on the size and hardness of seeds (Nogales et al. 2007). In a recent stu ...
Plants Poisonous to Horses - Australian Horse Industry Council
... Many plants that grow in Australia are potentially poisonous to horses. Such plants can cause considerable economic and welfare problems for horse owners. Under most circumstances, horses will avoid consuming toxic amounts of poisonous plants. However, some poisonous plants are palatable to horses a ...
... Many plants that grow in Australia are potentially poisonous to horses. Such plants can cause considerable economic and welfare problems for horse owners. Under most circumstances, horses will avoid consuming toxic amounts of poisonous plants. However, some poisonous plants are palatable to horses a ...
Soil-mediated local adaptation alters seedling survival and
... experienced 2.5-fold greater survival than seedlings planted in non-local soils. 3. Using a composite of height, number of leaves and leaf area to measure plant growth, seedlings grew ∼17.5% larger in their local soil than in non-local soil. Conclusions These data support the hypothesis that variati ...
... experienced 2.5-fold greater survival than seedlings planted in non-local soils. 3. Using a composite of height, number of leaves and leaf area to measure plant growth, seedlings grew ∼17.5% larger in their local soil than in non-local soil. Conclusions These data support the hypothesis that variati ...
individual and joint effects on plant fitness
... roots. Rather, plants form a long central tap root, and occasionally also produce a few large side roots. In grasslands, lupine seedling recruitment is episodic, and seedling abundance can vary by several orders of magnitude between years (Maron and Simms 1997). Because recruitment is pulsed, many l ...
... roots. Rather, plants form a long central tap root, and occasionally also produce a few large side roots. In grasslands, lupine seedling recruitment is episodic, and seedling abundance can vary by several orders of magnitude between years (Maron and Simms 1997). Because recruitment is pulsed, many l ...
(Corema conradii) benefits from ant seed dispersal in coastal US
... Ericaceae that has winter-persistent, needle-like leaves. The species is endemic to northeastern North America, where it occurs as widely separated populations primarily along the coast from Nova Scotia to NJ (Natural Heritage and Endangered Species Program 2007). C. conradii is listed as critically ...
... Ericaceae that has winter-persistent, needle-like leaves. The species is endemic to northeastern North America, where it occurs as widely separated populations primarily along the coast from Nova Scotia to NJ (Natural Heritage and Endangered Species Program 2007). C. conradii is listed as critically ...
The Relationship between Protozoan Populations and Biological
... porated into the biomass, the rate of release of radiocarbon from the soil drops sharply. There is relatively slow reduction in the biomass, 10% to 4% over three years, compared with the initial reduction in plant residue of over 60% in one year which suggests that the microbial tissue rather than t ...
... porated into the biomass, the rate of release of radiocarbon from the soil drops sharply. There is relatively slow reduction in the biomass, 10% to 4% over three years, compared with the initial reduction in plant residue of over 60% in one year which suggests that the microbial tissue rather than t ...
Non-chemical control of Richardson`s and Columbian ground squirrels
... Because ground squirrels are primarily meadow and grassland rodents, farms can provide habitat for them. Unused portions of the farm often provide a reservoir of ground squirrels which lead to problems when dispersing juveniles set up housekeeping in garden areas. Damage from ground squirrels result ...
... Because ground squirrels are primarily meadow and grassland rodents, farms can provide habitat for them. Unused portions of the farm often provide a reservoir of ground squirrels which lead to problems when dispersing juveniles set up housekeeping in garden areas. Damage from ground squirrels result ...
Organic matter and biological activity
... 1μm. W hat they lack in size, they make up in numbers. Bacteria often live in colonies of thousands or millions of individuals, all of the same species. Many of these colonies produce substances that act as glue to hold soil particles together. Six functional groups can be distinguished: decomposers ...
... 1μm. W hat they lack in size, they make up in numbers. Bacteria often live in colonies of thousands or millions of individuals, all of the same species. Many of these colonies produce substances that act as glue to hold soil particles together. Six functional groups can be distinguished: decomposers ...
The Real Dirt on No tillage by Jill Clapperton - No
... content and structure of soil. Thus, farm management practices such as crop rotations, tillage, fallow, irrigation, and nutrient inputs can all affect the population and diversity of soil organisms, and in turn, soil quality. There are three soil properties that define soil quality: chemical, physic ...
... content and structure of soil. Thus, farm management practices such as crop rotations, tillage, fallow, irrigation, and nutrient inputs can all affect the population and diversity of soil organisms, and in turn, soil quality. There are three soil properties that define soil quality: chemical, physic ...
Key Native Ecosystem Plan for Te Horo Forest Remnants
... The fragmented and modified nature of the forest remnants means they are at greater risk from the impacts of edge effects. These impacts included increased light and wind into the interior of the forest remnants and pest invasion. While the key threats discussed in this section are recognised as the ...
... The fragmented and modified nature of the forest remnants means they are at greater risk from the impacts of edge effects. These impacts included increased light and wind into the interior of the forest remnants and pest invasion. While the key threats discussed in this section are recognised as the ...
SCNPS Journal Fall 2012 - the South Carolina Native Plant Society!
... As an example, let’s look at the maritime forest. In SC’s maritime strand you enter a forest with massive live oaks, palmettos, dense under-growths of Yaupon and even Sweetgrass on the fringe. Every one of these elements is directly tied to our diverse cultures and history. The palmetto forged the r ...
... As an example, let’s look at the maritime forest. In SC’s maritime strand you enter a forest with massive live oaks, palmettos, dense under-growths of Yaupon and even Sweetgrass on the fringe. Every one of these elements is directly tied to our diverse cultures and history. The palmetto forged the r ...
Hydrilla - Alaska Center for Conservation Science
... interactions: Hydrilla can form dense mats near the water surface, intercepting sunlight and eventually displacing native aquatic plants. Hydrilla infestations may reduce the seed production of native plant species, which would result in a reduction in the number of native plants in the community (d ...
... interactions: Hydrilla can form dense mats near the water surface, intercepting sunlight and eventually displacing native aquatic plants. Hydrilla infestations may reduce the seed production of native plant species, which would result in a reduction in the number of native plants in the community (d ...
St Andrews Catchment - Nillumbik Shire Council
... support requests to external organisations for funding and other support. Projects will require commitment from a lead organisation, a project management team and people from the community, as well as agencies. This will provide a combination of local knowledge, experience, technical knowledge and s ...
... support requests to external organisations for funding and other support. Projects will require commitment from a lead organisation, a project management team and people from the community, as well as agencies. This will provide a combination of local knowledge, experience, technical knowledge and s ...
Evolutionary Ecology of Weeds - Iowa State University Agronomy
... attacked with newly developed herbicides and complex mixtures of existing materials. This approach guarantees a continuing market for new chemical technologies, but leaves the grower with a generally increasing bill for weed control. The alternative is to take a more methodical approach in which pri ...
... attacked with newly developed herbicides and complex mixtures of existing materials. This approach guarantees a continuing market for new chemical technologies, but leaves the grower with a generally increasing bill for weed control. The alternative is to take a more methodical approach in which pri ...
Myrica
... – In many open sites, plants are primarily close to the ground and so are very spinose to protect them – Plants such as palms, with one or a few apical meristems, are also likely to protect them with spines ...
... – In many open sites, plants are primarily close to the ground and so are very spinose to protect them – Plants such as palms, with one or a few apical meristems, are also likely to protect them with spines ...
2010rat4
... previous 5 years. I chose 25 plant species based on the highest frequencies listed with the following two constraints: First, to maximize phylogenetic diversity, no more than two species per family and one species per genus was selected. Second, at least three experts had to list a species for it to ...
... previous 5 years. I chose 25 plant species based on the highest frequencies listed with the following two constraints: First, to maximize phylogenetic diversity, no more than two species per family and one species per genus was selected. Second, at least three experts had to list a species for it to ...
Biological control of root-knot nematodes (Meloidogyne spp.) by the
... the field very difficult (Nyczepir and Thomas, 2009). Since the ban of some important nematicides, research on alternative control methods has been aimed at resistance breeding, crop rotation with trap crops or non hosts, application of biofumigants, soil management including application of organic ...
... the field very difficult (Nyczepir and Thomas, 2009). Since the ban of some important nematicides, research on alternative control methods has been aimed at resistance breeding, crop rotation with trap crops or non hosts, application of biofumigants, soil management including application of organic ...
Invasive Earthworms
... Overall, there are about fifteen species of earthworms introduced in North America, and they are out competing the local wildlife for resources. They also adapt more quickly to deforestation and cultivation of land, which gives them a jump start on many of the local species. Even in some areas of No ...
... Overall, there are about fifteen species of earthworms introduced in North America, and they are out competing the local wildlife for resources. They also adapt more quickly to deforestation and cultivation of land, which gives them a jump start on many of the local species. Even in some areas of No ...
the Study of Mutualistic Benefits To Plants In Myrmecochory
... Ants disperse seeds of myrmecochorous plants short distances, but these distances may be enough to escape distance-dependent predation. Based on 7889 observations from multiple studies, the mean ant-mediated seed dispersal distance currently ranks at 2.24 +/- 7.19 m, with variation depending on the ...
... Ants disperse seeds of myrmecochorous plants short distances, but these distances may be enough to escape distance-dependent predation. Based on 7889 observations from multiple studies, the mean ant-mediated seed dispersal distance currently ranks at 2.24 +/- 7.19 m, with variation depending on the ...
Effects of sand burial depth and seed mass on seedling emergence
... (Chen and Maun 1999). Seed mass plays a key role in the establishment of the juvenile phase of a plant’s life cycle, and seed mass is a parameter that profoundly influences both germination characteristics and seedling traits. Larger seeds are generally superior to smaller seeds by having a higher p ...
... (Chen and Maun 1999). Seed mass plays a key role in the establishment of the juvenile phase of a plant’s life cycle, and seed mass is a parameter that profoundly influences both germination characteristics and seedling traits. Larger seeds are generally superior to smaller seeds by having a higher p ...
Best Management Practices in Support of Fish and Wildlife Habitat
... methods that protect or restore fish and wildlife habitat. Many managers, practitioners, and researchers believe that managing invasive plant populations at levels that protect other uses of an aquatic system also maintains quality aquatic habitat. This handbook is an introductory resource for lando ...
... methods that protect or restore fish and wildlife habitat. Many managers, practitioners, and researchers believe that managing invasive plant populations at levels that protect other uses of an aquatic system also maintains quality aquatic habitat. This handbook is an introductory resource for lando ...
Aquatic Plant Management
... methods that protect or restore fish and wildlife habitat. Many managers, practitioners, and researchers believe that managing invasive plant populations at levels that protect other uses of an aquatic system also maintains quality aquatic habitat. This handbook is an introductory resource for lando ...
... methods that protect or restore fish and wildlife habitat. Many managers, practitioners, and researchers believe that managing invasive plant populations at levels that protect other uses of an aquatic system also maintains quality aquatic habitat. This handbook is an introductory resource for lando ...
Seedling emergence and survival in Cinnamomum tamala under
... the flowers and fruits can be seen on the same time during April - May. Ripe fruits are dark purple in color and contain single seed. The seeds are primarily dispersed by frugivorous birds, which feed on them for the nutritious pulp and egest the seeds intact. In addition, strong winds, hail storms ...
... the flowers and fruits can be seen on the same time during April - May. Ripe fruits are dark purple in color and contain single seed. The seeds are primarily dispersed by frugivorous birds, which feed on them for the nutritious pulp and egest the seeds intact. In addition, strong winds, hail storms ...
Untitled
... grows in water. Herbaceous plants have soft tissues and do not develop woody parts aboveground. Some aquatic plants are completely submerged and others grow just along the water’s edge. Aquatic vegetation is further categorized as either a macrophyte or microphyte. A macrophyte is a plant that can b ...
... grows in water. Herbaceous plants have soft tissues and do not develop woody parts aboveground. Some aquatic plants are completely submerged and others grow just along the water’s edge. Aquatic vegetation is further categorized as either a macrophyte or microphyte. A macrophyte is a plant that can b ...