Diss-Zooplankton-Impakt on phytoplankton
... appendicularians) are restricted to the filtration of generally smaller particles. They are relatively rich in P and, hence, have low body N:P ratios. Based on these findings, the following hypotheses were made: (1) Copepods shift the size structure of phytoplankton assemblages to small particles by ...
... appendicularians) are restricted to the filtration of generally smaller particles. They are relatively rich in P and, hence, have low body N:P ratios. Based on these findings, the following hypotheses were made: (1) Copepods shift the size structure of phytoplankton assemblages to small particles by ...
The diet of saltmarsh consumers - LSU Digital Commons
... Spartina Detritus and Associated Microbes. Spartina detritus has long been thought to be an important dietary resource in salt marshes partly as a result of its visual dominance and high primary productivity. Primary productivity of macrophytes from North American salt marshes ranges from 200 – 400 ...
... Spartina Detritus and Associated Microbes. Spartina detritus has long been thought to be an important dietary resource in salt marshes partly as a result of its visual dominance and high primary productivity. Primary productivity of macrophytes from North American salt marshes ranges from 200 – 400 ...
10offkumo10offkumo 1 - College of Agriculture and Life Sciences
... a high occurrence of travertine in adult pupfish stomachs, likely the result of fish attempting to remove diatoms Bacillariophyta from the benthic surface. As in the earlier study (Minckley and Deacon 1975), diatoms were also an important component of pupfish diet. Beetles, flatworms, and snails wer ...
... a high occurrence of travertine in adult pupfish stomachs, likely the result of fish attempting to remove diatoms Bacillariophyta from the benthic surface. As in the earlier study (Minckley and Deacon 1975), diatoms were also an important component of pupfish diet. Beetles, flatworms, and snails wer ...
this entire book 194 page pdf file (4.5
... The first chapter (1) looks at the role of algae in history and the implications from its productivity. How can spirulina transform your personal health? (2) Nutritional attributes are described and compared with other foods. (3) A review of personal self care programs shows how to use and benefit f ...
... The first chapter (1) looks at the role of algae in history and the implications from its productivity. How can spirulina transform your personal health? (2) Nutritional attributes are described and compared with other foods. (3) A review of personal self care programs shows how to use and benefit f ...
EaRtH Food SpiRulina
... personal health? (2) Its nutritional attributes are described and compared with other foods. (3) A review of personal self care programs shows how to use and benefit from this superfood. (4) The extensive clinical research suggests spirulina is a probiotic and therapeutic food. What is the role of ...
... personal health? (2) Its nutritional attributes are described and compared with other foods. (3) A review of personal self care programs shows how to use and benefit from this superfood. (4) The extensive clinical research suggests spirulina is a probiotic and therapeutic food. What is the role of ...
Demography and feeding behavior of the kelp crab Taliepus
... Abstract. We studied the population and feeding ecology of the kelp crab Taliepus marginatus in subtidal kelp forests dominated by either of two morphologically different kelp species (Macrocystis pyrifera or Lessonia trabeculata) in northern Chile. The sizes and abundances of T. marginatus differed ...
... Abstract. We studied the population and feeding ecology of the kelp crab Taliepus marginatus in subtidal kelp forests dominated by either of two morphologically different kelp species (Macrocystis pyrifera or Lessonia trabeculata) in northern Chile. The sizes and abundances of T. marginatus differed ...
Columbia River Food Web Report
... Figure C.5.1. Numbers of non‐native species, by major taxonomic group, currently present in the Pacific Northwest states of Washington, Oregon and Idaho .................................................................................................... 93 Figure C.5.2. Numbers of non‐native speci ...
... Figure C.5.1. Numbers of non‐native species, by major taxonomic group, currently present in the Pacific Northwest states of Washington, Oregon and Idaho .................................................................................................... 93 Figure C.5.2. Numbers of non‐native speci ...
Lions, hyenas and mobs (Oh my!)
... by determining the research assistants’ agreement with a “correct dataset” generated by T.M.M. and K.D.S.L. on 12 complex lion– hyena interaction sessions. The agreement score between the 4 individuals extracting data from field notes averaged 83% for all 7 variables of interest: hyena count, lion c ...
... by determining the research assistants’ agreement with a “correct dataset” generated by T.M.M. and K.D.S.L. on 12 complex lion– hyena interaction sessions. The agreement score between the 4 individuals extracting data from field notes averaged 83% for all 7 variables of interest: hyena count, lion c ...
Community dynamics of ephemeral systems: food web
... When they do fill with water, the pool may not last more than several weeks to a couple months depending on prevailing precipitation patterns. For example, field work for Chapter 3 was planned for the summer of 2012 but was delayed a year because the playas did not fill until the next spring followi ...
... When they do fill with water, the pool may not last more than several weeks to a couple months depending on prevailing precipitation patterns. For example, field work for Chapter 3 was planned for the summer of 2012 but was delayed a year because the playas did not fill until the next spring followi ...
ACCESS HS INTEGRATED SCIENCE UNIT 2: LIFE SCIENCE As a
... SC.912.L.17.Su.2 Recognize how animals and plants in an ecosystem may be affected by changes to the food supply or climate. SC.912.L.17.Su.3 Recognize that organisms can interact with other organisms in an ecosystem to help each other (mutualism), to obtain food (predation), and to benefit at expens ...
... SC.912.L.17.Su.2 Recognize how animals and plants in an ecosystem may be affected by changes to the food supply or climate. SC.912.L.17.Su.3 Recognize that organisms can interact with other organisms in an ecosystem to help each other (mutualism), to obtain food (predation), and to benefit at expens ...
Coupled Oscillations in Food Webs: Balancing Competition and
... in which one or more of the state variables approach ever closer to 0 (much like the system described by May and Leonard [1975]). From a biological point of view, even though all variables may never actually reach 0 and may approach it only asymptotically, that approach effectively means extinction. ...
... in which one or more of the state variables approach ever closer to 0 (much like the system described by May and Leonard [1975]). From a biological point of view, even though all variables may never actually reach 0 and may approach it only asymptotically, that approach effectively means extinction. ...
7th gd Ecosystems And Biomes
... 4. Cycling of materials (water cycle, nitrogen cycle, oxygen/carbon dioxide cycle, nutrient cycle) ...
... 4. Cycling of materials (water cycle, nitrogen cycle, oxygen/carbon dioxide cycle, nutrient cycle) ...
EcologyCP BIO - Appoquinimink High School
... • Toads/frogs eat insects, and depending on the size of the toad, they will go after just about anything that moves and can fit in their mouth • Insect eating birds eat insects • Snakes eat birds, bird eggs, toads, baby ...
... • Toads/frogs eat insects, and depending on the size of the toad, they will go after just about anything that moves and can fit in their mouth • Insect eating birds eat insects • Snakes eat birds, bird eggs, toads, baby ...
Pigeons and People: resource ecology and human dimensions of
... in Conservation Biology. Victoria University of Wellington ...
... in Conservation Biology. Victoria University of Wellington ...
Population Dynamics: General Results from Local Analysis Thilo Groß
... exists which result in more complex model behaviour. If these functions are used in a model enrichment may have a stabilizing effect. In this way general models explain why enrichment does not generally lead to instability in experiments. Another question which is much debated is whether chaotic dyna ...
... exists which result in more complex model behaviour. If these functions are used in a model enrichment may have a stabilizing effect. In this way general models explain why enrichment does not generally lead to instability in experiments. Another question which is much debated is whether chaotic dyna ...
Applying stable isotopes to examine foodweb structure: an overview
... X. References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
... X. References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Feeding Spectrum and Trophic Relationships of Short
... Amphipoda. This order was represented by two families, Gammaridae and Phronimidae (Table 1), the latter belonging to the suborder Hyperiidea. Among the amphipods that were identified, the larvae of Gammaridae with their unsegmented cephalothorax were readily counted and they predominated in the food ...
... Amphipoda. This order was represented by two families, Gammaridae and Phronimidae (Table 1), the latter belonging to the suborder Hyperiidea. Among the amphipods that were identified, the larvae of Gammaridae with their unsegmented cephalothorax were readily counted and they predominated in the food ...
ABSTRACT Title of Dissertation: CONSEQUENCES OF OMNIVORY AND
... I would like to thank my committee members for their time, expertise, and guidance as my research came to fruition. I would particularly like to thank Galen Dively who always made time to offer advice on an experiment, solve a statistical crisis, or track down his homemade corn jigger. I also thank ...
... I would like to thank my committee members for their time, expertise, and guidance as my research came to fruition. I would particularly like to thank Galen Dively who always made time to offer advice on an experiment, solve a statistical crisis, or track down his homemade corn jigger. I also thank ...
Grassland Ecosystems Black-footed Ferrets
... Urban and sub-urban development is also threatening black-footed ferret habitat. ...
... Urban and sub-urban development is also threatening black-footed ferret habitat. ...
Steady state solutions of an ecosystem mod
... by micronutrients may be necessary to account for growth rates that seem low by a factor of two (Cullen et al. 1992) as well as to account for the absence of large algal species, which are thought to be more sensitive to low micronutrient levels than species smaller are (Hudson and Morel 1990; Morel ...
... by micronutrients may be necessary to account for growth rates that seem low by a factor of two (Cullen et al. 1992) as well as to account for the absence of large algal species, which are thought to be more sensitive to low micronutrient levels than species smaller are (Hudson and Morel 1990; Morel ...
Mechanisms and mitigation of food web change in stream ecosystems
... of available energy from externally-produced (allochthonous) to internal (autochthonous) basal resources. Such shis are frequently associated with land-use intensification, due to riparian vegetation removal and increased nutrient inputs, both of which enhance autochthonous production. A field survey ...
... of available energy from externally-produced (allochthonous) to internal (autochthonous) basal resources. Such shis are frequently associated with land-use intensification, due to riparian vegetation removal and increased nutrient inputs, both of which enhance autochthonous production. A field survey ...
Interactions between harmful algae and calanoid copepods
... and reasons for their magnitude Phytoplankton blooms usually refer to mass developments of microscopic algae and are natural events in all marine food webs. However, during past decades, the occurrence of “exceptional”, often toxic or otherwise harmful algal blooms1 has increased globally (GEOHAB 20 ...
... and reasons for their magnitude Phytoplankton blooms usually refer to mass developments of microscopic algae and are natural events in all marine food webs. However, during past decades, the occurrence of “exceptional”, often toxic or otherwise harmful algal blooms1 has increased globally (GEOHAB 20 ...
When Does Alternative Food Promote Biological Pest
... affected by prey (or host) density and/or PPF. In general, three scenarios can be observed that differ in whether (A) adult performance (survival, attack, oviposition), (B) juvenile performance (survival, development) and (C) both adult and juvenile performance are affected by prey density. The diff ...
... affected by prey (or host) density and/or PPF. In general, three scenarios can be observed that differ in whether (A) adult performance (survival, attack, oviposition), (B) juvenile performance (survival, development) and (C) both adult and juvenile performance are affected by prey density. The diff ...
Parasites Affect Food Web Structure Primarily through Increased
... in food webs [29,30]; and their manipulation of hosts can reorganize communities and alter ecosystem function [31]. These and other ecological factors might alter how parasites fit into, and affect the structure of, food webs compared to free-living organisms. For example, although some parasites ap ...
... in food webs [29,30]; and their manipulation of hosts can reorganize communities and alter ecosystem function [31]. These and other ecological factors might alter how parasites fit into, and affect the structure of, food webs compared to free-living organisms. For example, although some parasites ap ...
The Network Structure of Food Webs
... that search for generalities in the network structure, also referred to as topology, of food webs. Over the last fifteen years there has been dramatic growth in the field-based documentation of food webs, as well as a general increase in data quality in terms of diversity and resolution. This is a wel ...
... that search for generalities in the network structure, also referred to as topology, of food webs. Over the last fifteen years there has been dramatic growth in the field-based documentation of food webs, as well as a general increase in data quality in terms of diversity and resolution. This is a wel ...
Local food
Local food or the local food movement is a movement which aims to connect food producers and food consumers in the same geographic region; in order to develop more self-reliant and resilient food networks, improve local economies, or for health, environmental, community, or social impact in a particular place. The term has also been extended to include not only geographic location of supplier and consumer but can also be ""defined in terms of social and supply chain characteristics."" For example, local food initiatives often promote sustainable and organic farming practices, although these are not explicitly related to the geographic proximity of the producer and consumer.Local food represents an alternative to the global food model, a model which often sees food travelling long distances before it reaches the consumer. A local food network involves relationships between food producers, distributors, retailers, and consumers in a particular place where they work together to increase food security and ensure economic, ecological and social sustainability of a community