Refined Phosphorus TMDL and Restoration Plans for Lake
... structural BMP are also provided in the Restoration Plans. These estimates are based on UAL model calculations in conjunction with ascribed TP percent removal efficiencies associated with each BMP. It should be emphasized that these are estimates and that direct stormwater sampling of any installed ...
... structural BMP are also provided in the Restoration Plans. These estimates are based on UAL model calculations in conjunction with ascribed TP percent removal efficiencies associated with each BMP. It should be emphasized that these are estimates and that direct stormwater sampling of any installed ...
Janet Ashley Nye, Ph.D., 2008 Directed By:
... Table 3.2: Spearman rank correlation coefficients between the percentage of anchovy and polychaetes in diets of Atlantic croaker with six measures of condition. Significance at P=0.0042 (Bonferroni adjustment, P=0.05/12) indicated by *. ......... 89 Table 4.1: Number of replicates in each size class ...
... Table 3.2: Spearman rank correlation coefficients between the percentage of anchovy and polychaetes in diets of Atlantic croaker with six measures of condition. Significance at P=0.0042 (Bonferroni adjustment, P=0.05/12) indicated by *. ......... 89 Table 4.1: Number of replicates in each size class ...
Rusty Crayfish: A Nasty Invader
... males are characterized by large claws, a hook on one pair of their legs (Figure 2), and hardened gonapods. The hook and the larger claws are used for grasping females during mating. Because males have an additional molt each year, they are usually larger than females of the same age. A typical rust ...
... males are characterized by large claws, a hook on one pair of their legs (Figure 2), and hardened gonapods. The hook and the larger claws are used for grasping females during mating. Because males have an additional molt each year, they are usually larger than females of the same age. A typical rust ...
Trophic effects through herbivory at Ningaloo Reef
... Coral reefs are diverse ecosystems which host abundant populations of consumers and algae in spatial mosaics of both coral and algal dominated habitats. A key ecological process in coral-reef ecosystems is herbivory, which has direct effects on macroalgae and indirect effects on corals by influencin ...
... Coral reefs are diverse ecosystems which host abundant populations of consumers and algae in spatial mosaics of both coral and algal dominated habitats. A key ecological process in coral-reef ecosystems is herbivory, which has direct effects on macroalgae and indirect effects on corals by influencin ...
Beaver Lake Bog Restoration Report
... providing baseline data for long-term monitoring of the bog. They carried out a sampling program to determine plant species composition and soil water characteristics such as depth and pH (Worcester, et al., 1998). Despite the presence of bog plants throughout their three study areas, the students d ...
... providing baseline data for long-term monitoring of the bog. They carried out a sampling program to determine plant species composition and soil water characteristics such as depth and pH (Worcester, et al., 1998). Despite the presence of bog plants throughout their three study areas, the students d ...
Aphid and ladybird beetle abundance depend on the interaction of
... trophic interactions, predator removals, nutrient additions, and elevated [CO2]) (Bailey et al. 2009). Similarly, the magnitude of genotypic diversity effects on communities and ecosystems are sometimes comparable to the effect size of species diversity effects (e.g., Crutsinger et al. 2006). Howeve ...
... trophic interactions, predator removals, nutrient additions, and elevated [CO2]) (Bailey et al. 2009). Similarly, the magnitude of genotypic diversity effects on communities and ecosystems are sometimes comparable to the effect size of species diversity effects (e.g., Crutsinger et al. 2006). Howeve ...
Phillips et al.
... densities of signal crayfish are similar to those of the native noble crayfish (Anonymous 1993), and densities (12 crayfish/m2) and size distributions of crayfish used in this experiment mimicked those found for noble crayfish in the littoral zone of Swedish lakes (Appelberg and Odelström 1986). In ...
... densities of signal crayfish are similar to those of the native noble crayfish (Anonymous 1993), and densities (12 crayfish/m2) and size distributions of crayfish used in this experiment mimicked those found for noble crayfish in the littoral zone of Swedish lakes (Appelberg and Odelström 1986). In ...
A Loonie For Your Thoughts!
... What does the Common Loon look like? How does the loon dive? How does the loon fly? How does the loon produce chicks? ...
... What does the Common Loon look like? How does the loon dive? How does the loon fly? How does the loon produce chicks? ...
BIOTIC INTERACTIONS WITHIN SANDY BEACH ECOSYSTEMS
... 1. Physical features of sandy beaches ................................................................................................. 1 1.1 General ...................................................................................................................................... 1 1.2 Belgian b ...
... 1. Physical features of sandy beaches ................................................................................................. 1 1.1 General ...................................................................................................................................... 1 1.2 Belgian b ...
Ecology 96 - Altieri Lab
... impact of herbivory on salt marsh zonation has not been generally recognized. The impacts of consumers in salt marshes, nevertheless, have been increasingly documented. Early studies on geese (Jefferies et al. 1979, Smith and Odum 1981, Rowcliffe et al. 1998, Van Der Wal et al. 2000, Kuijper and Bak ...
... impact of herbivory on salt marsh zonation has not been generally recognized. The impacts of consumers in salt marshes, nevertheless, have been increasingly documented. Early studies on geese (Jefferies et al. 1979, Smith and Odum 1981, Rowcliffe et al. 1998, Van Der Wal et al. 2000, Kuijper and Bak ...
Litter feedbacks, evolutionary change and exotic plant invasion Maarten B. Eppinga
... parameter (e.g. Reynolds & Pacala 1993). Because Lambert–Beer’s law is generally applicable to any light-absorbing material (e.g. Grace & Woolhouse 1973), we used the same approach to model light interception by plant litter. Since Phalaris, Carex and their litter have different properties in terms ...
... parameter (e.g. Reynolds & Pacala 1993). Because Lambert–Beer’s law is generally applicable to any light-absorbing material (e.g. Grace & Woolhouse 1973), we used the same approach to model light interception by plant litter. Since Phalaris, Carex and their litter have different properties in terms ...
Diet Analysis of Burbot from Eastern Lake Michigan
... Since the early 1930’s, Lake Michigan’s food web has been dramatically altered by aquatic invasive species. Sea lamprey (Petromyzon marinus) first entered Lake Michigan in the late 1930’s and began impacting fish stocks by the mid 1940’s (Smith and Tibbles 1980). Alewives (Alosa pseudoharengus) wer ...
... Since the early 1930’s, Lake Michigan’s food web has been dramatically altered by aquatic invasive species. Sea lamprey (Petromyzon marinus) first entered Lake Michigan in the late 1930’s and began impacting fish stocks by the mid 1940’s (Smith and Tibbles 1980). Alewives (Alosa pseudoharengus) wer ...
Rusty Crayfish Risk Analysis for Arizona
... risk of spreading rusty crayfish to new areas. Rusty crayfish should not be used to manage Eurasian watermilfoil (Myriophyllum spicatum)— an exotic plant that forms dense mats and adversely affects swimming, boating and fishing. The use of one exotic species to control another is highly discouraged ...
... risk of spreading rusty crayfish to new areas. Rusty crayfish should not be used to manage Eurasian watermilfoil (Myriophyllum spicatum)— an exotic plant that forms dense mats and adversely affects swimming, boating and fishing. The use of one exotic species to control another is highly discouraged ...
Full text - SFU`s Summit
... What would reef fish communities look like without humans? Effective ecosystem management and conservation requires a clear understanding of community structure and the processes that drive it. Relatively undisturbed reef fish communities appear to be inverted biomass pyramids (IBPs) with greater bi ...
... What would reef fish communities look like without humans? Effective ecosystem management and conservation requires a clear understanding of community structure and the processes that drive it. Relatively undisturbed reef fish communities appear to be inverted biomass pyramids (IBPs) with greater bi ...
Effects of Cattle Grazing on the Food Grasslands National Park, Saskatchewan
... Grazing is thought to be important for the maintenance of prairie ecosystems (Madden et al. 1999; Olff & Richie 1998). However, current grazing regimes using cattle are very different than past cattle grazing patterns and unrecognizable when compared to pre-contact grazing disturbances applied by b ...
... Grazing is thought to be important for the maintenance of prairie ecosystems (Madden et al. 1999; Olff & Richie 1998). However, current grazing regimes using cattle are very different than past cattle grazing patterns and unrecognizable when compared to pre-contact grazing disturbances applied by b ...
Effects of interactions between the green and brown food webs on
... decomposition) food webs on ecosystem functioning. Three interactions between the two food webs are studied: 1) nutrients recycled from all organisms in the food web couple the green and brown food webs through mutualistic/competitive interaction between primary producers and decomposers; 2) general ...
... decomposition) food webs on ecosystem functioning. Three interactions between the two food webs are studied: 1) nutrients recycled from all organisms in the food web couple the green and brown food webs through mutualistic/competitive interaction between primary producers and decomposers; 2) general ...
Trophic relationships of nonnative brown trout, Salmo
... poorly understood. Specifically, the level of ecological similarity that occurs between these species and the importance of other trophic mechanisms (e.g., predation) in their interactions are key uncertainties. We evaluated the trophic relationships of brown trout and cutthroat trout in a northern ...
... poorly understood. Specifically, the level of ecological similarity that occurs between these species and the importance of other trophic mechanisms (e.g., predation) in their interactions are key uncertainties. We evaluated the trophic relationships of brown trout and cutthroat trout in a northern ...
Mesotrophic Lochs WW1 - Tayside Biodiversity
... may be due to direct nutrient inputs from sewage or because of increased nutrient run-off from land due to agriculture, forestry and amenity use. Catchment land use may be a significant influence in mesotrophic lochs with ploughing up of grassland and underdrainage potentially increasing the possibi ...
... may be due to direct nutrient inputs from sewage or because of increased nutrient run-off from land due to agriculture, forestry and amenity use. Catchment land use may be a significant influence in mesotrophic lochs with ploughing up of grassland and underdrainage potentially increasing the possibi ...
ECOLOGICAL MODELING OF AMERICAN LOBSTER (Homarus
... mid-1990s. I also simulated ecosystem dynamics in the GOM from 1985 to 1997 using Ecosim, evaluated the interactions of population dynamics of Atlantic cod and American lobster, and predicted the possible response of the lobster population with respect to the possible recovery of Atlantic cod stock ...
... mid-1990s. I also simulated ecosystem dynamics in the GOM from 1985 to 1997 using Ecosim, evaluated the interactions of population dynamics of Atlantic cod and American lobster, and predicted the possible response of the lobster population with respect to the possible recovery of Atlantic cod stock ...
AN EXPERIMENTAL STUDY OF FORAGING AGGRESSION IN TWO
... reduced growth, emigrate, or die (Li and Brocksen 1977, Elliot 1990, Grant and Kramer 1990, but see Höjesjö et al. 2002). Given the potential strong linkages between aggression, resource use, and population regulation, it is crucial to know the extent to which the salmonid model applies to streamdw ...
... reduced growth, emigrate, or die (Li and Brocksen 1977, Elliot 1990, Grant and Kramer 1990, but see Höjesjö et al. 2002). Given the potential strong linkages between aggression, resource use, and population regulation, it is crucial to know the extent to which the salmonid model applies to streamdw ...
Marco-Mendez, C., L. M. Ferrero-Vicente, P. Prado, K. L. Heck, J
... Mediterranean, and are commonly observed in shallow seagrass meadows and rocky bottoms (Verlaque, 1990). Prado et al. (2007) found that S. salpa accounted for 70% of the total leaf consumption by herbivores (approx. 40% of leaf production) with P. lividus accounting for the remaining 30% (approx. 17 ...
... Mediterranean, and are commonly observed in shallow seagrass meadows and rocky bottoms (Verlaque, 1990). Prado et al. (2007) found that S. salpa accounted for 70% of the total leaf consumption by herbivores (approx. 40% of leaf production) with P. lividus accounting for the remaining 30% (approx. 17 ...
TECHNICAL REPORT ��� An Assessment of the Potential Use of
... portion of their range, tend to produce smaller broods, with larger offspring, and produce more broods annually (Haynes and Cashner 1995). Gambusia are found in a variety of habitats including both lotic (flowing) and lentic (still) freshwaters. Although they can survive water temperatures ranging f ...
... portion of their range, tend to produce smaller broods, with larger offspring, and produce more broods annually (Haynes and Cashner 1995). Gambusia are found in a variety of habitats including both lotic (flowing) and lentic (still) freshwaters. Although they can survive water temperatures ranging f ...
Hibernation.
... Opossums (Didelphimorpha): Several small south American opossums enter daily torpor. Shrew-opossum (Microbiotheria): The Monito del monte hibernates in southern Chile. Carnivorous marsupials (Dasyuromorphia): Many dasyurids <1 kg enter daily torpor. Marsupial moles (Notoryctemorphia): Marsupial mole ...
... Opossums (Didelphimorpha): Several small south American opossums enter daily torpor. Shrew-opossum (Microbiotheria): The Monito del monte hibernates in southern Chile. Carnivorous marsupials (Dasyuromorphia): Many dasyurids <1 kg enter daily torpor. Marsupial moles (Notoryctemorphia): Marsupial mole ...