Litter feedbacks, evolutionary change and exotic plant invasion Maarten B. Eppinga
... invasive habitats. These mechanisms may amplify each other and this synergy may accelerate Phalaris invasion in areas where it is already present, leading to a high-litter state with Phalaris outcompeting other species. In areas with low nutrient supply where Phalaris is not yet present, a combinati ...
... invasive habitats. These mechanisms may amplify each other and this synergy may accelerate Phalaris invasion in areas where it is already present, leading to a high-litter state with Phalaris outcompeting other species. In areas with low nutrient supply where Phalaris is not yet present, a combinati ...
Negative effects of an autogenic ecosystem engineer: interactions
... found growing above C. officinalis patches, its cover is less than when growing alone. This appears to be due to smaller mats, not to reduced density. Furthermore, U. lactuca living inside C. officinalis patches appears to have damaged fronds and to be more dehydrated during low tide (P. Daleo pers. ...
... found growing above C. officinalis patches, its cover is less than when growing alone. This appears to be due to smaller mats, not to reduced density. Furthermore, U. lactuca living inside C. officinalis patches appears to have damaged fronds and to be more dehydrated during low tide (P. Daleo pers. ...
The effect of vegetation on the behaviour and movements of
... Province of South Africa. It falls within the Grassland Biome that comprise of a wide diversity of habitats and of which only 2.3% is currently conserved in reserves. The objective of this study was to determine the interaction of Telperion zebras with their vegetation habitats, the influence of veg ...
... Province of South Africa. It falls within the Grassland Biome that comprise of a wide diversity of habitats and of which only 2.3% is currently conserved in reserves. The objective of this study was to determine the interaction of Telperion zebras with their vegetation habitats, the influence of veg ...
Conservation of Spiders (Araneae) in the Western Australian
... habitat structure) explained much of this variation. Rainfall explained a large proportion of the explained variation for species richness (59%), but not species composition (30%). There was little variation attributable to predation (0 and 14% for species richness and composition, respectively) or ...
... habitat structure) explained much of this variation. Rainfall explained a large proportion of the explained variation for species richness (59%), but not species composition (30%). There was little variation attributable to predation (0 and 14% for species richness and composition, respectively) or ...
Comparative size evolution of marine clades from the Late Permian
... surviving species in the aftermath of an extinction event. Here, we are concerned with postextinction size change more broadly, which may result from (1) within-lineage evolution toward smaller sizes, (2) extinction of larger species, or (3) origination of smaller species. These three modes of size ...
... surviving species in the aftermath of an extinction event. Here, we are concerned with postextinction size change more broadly, which may result from (1) within-lineage evolution toward smaller sizes, (2) extinction of larger species, or (3) origination of smaller species. These three modes of size ...
Ecological interactions of marine sponges1 - FSU Biology
... understanding of interactions of sponges with other organisms, and among sponges of different species, have therefore depended on time-series observations of individuals and communities, controlled experimental manipulations in the field, and combinations of field and laboratory work that elucidate ...
... understanding of interactions of sponges with other organisms, and among sponges of different species, have therefore depended on time-series observations of individuals and communities, controlled experimental manipulations in the field, and combinations of field and laboratory work that elucidate ...
The Keystone Role of Bison in North American Tallgrass Prairie
... Figure 4. Conceptual model of the spatial and temporal dynamics of bison grazing activities and the responses of tallgrass prairie to the reintroduction of bison. Before the reintroduction of bison, watershed attributes at Konza Prairie differed strongly depending on the fire regime imposed, with f ...
... Figure 4. Conceptual model of the spatial and temporal dynamics of bison grazing activities and the responses of tallgrass prairie to the reintroduction of bison. Before the reintroduction of bison, watershed attributes at Konza Prairie differed strongly depending on the fire regime imposed, with f ...
Rotifera X
... patina. Kotikova et al. presents data on the immuno-reactivity patterns in the nervous system of Platyas patulus, Euchlanis dilatata and Asplanchna herricki using CLSM. That species considered to be cosmopolitan can be complexes of sibling species has been recently clearly demonstrated for the rotif ...
... patina. Kotikova et al. presents data on the immuno-reactivity patterns in the nervous system of Platyas patulus, Euchlanis dilatata and Asplanchna herricki using CLSM. That species considered to be cosmopolitan can be complexes of sibling species has been recently clearly demonstrated for the rotif ...
Abstract Book (, ~2 MB in size)
... Most fishes perform stereotyped fast-start responses to escape predation when threatened, and a fish's ability to perform these responses can directly affect survival. As a result, individuals should be able to maximize fast-start performance even under physiologically limiting conditions such as hy ...
... Most fishes perform stereotyped fast-start responses to escape predation when threatened, and a fish's ability to perform these responses can directly affect survival. As a result, individuals should be able to maximize fast-start performance even under physiologically limiting conditions such as hy ...
Legume presence increases photosynthesis and N concentrations
... Our first objective was to evaluate the leaf-level responses of three focal species not capable of symbiotic N2 fixation and growing with and without the N2-fixing legume Lupinus perennis L. The three focal non-fixers were: Achillea millefolium L. (forb), Agropyron repens (L.) Beauv. and Koeleria cr ...
... Our first objective was to evaluate the leaf-level responses of three focal species not capable of symbiotic N2 fixation and growing with and without the N2-fixing legume Lupinus perennis L. The three focal non-fixers were: Achillea millefolium L. (forb), Agropyron repens (L.) Beauv. and Koeleria cr ...
the effects of sedimentation on rocky coast assemblages
... input of sediments to coastal areas (Moore 1973a, French 1997). The rate at which terrestrial sediments are washed into rivers is a function of many environmental factors, such as intensity of rainfall, type of soil, and cover by vegetation. The major supplies of river-derived sediments to rocky coa ...
... input of sediments to coastal areas (Moore 1973a, French 1997). The rate at which terrestrial sediments are washed into rivers is a function of many environmental factors, such as intensity of rainfall, type of soil, and cover by vegetation. The major supplies of river-derived sediments to rocky coa ...
Soil detritivore functioning in heterogeneously contaminated soils
... four locations with four distinct contamination profiles in the field were monitored for three years (Chapter 3). The results showed that the earthworm species Aporrectodea caliginosa had higher biomass in clean locations, whereas Allolobophora chlorotica showed higher biomass in more humid and more ...
... four locations with four distinct contamination profiles in the field were monitored for three years (Chapter 3). The results showed that the earthworm species Aporrectodea caliginosa had higher biomass in clean locations, whereas Allolobophora chlorotica showed higher biomass in more humid and more ...
Evolutionary Trends in the Individuation and
... understanding the evolutionary rules governing polymorphism will advance our understanding of the evolution of individuated colonies. This study will explore several ways in which polymorphism evolves in colonies of marine invertebrates such as cnidarians, bryozoans, and urochordates. Chapters 1 an ...
... understanding the evolutionary rules governing polymorphism will advance our understanding of the evolution of individuated colonies. This study will explore several ways in which polymorphism evolves in colonies of marine invertebrates such as cnidarians, bryozoans, and urochordates. Chapters 1 an ...
INTRASPECIFIC VARIATION OF THREE PHENOTYPIC
... to up-regulate hemoglobin in response to low oxygen environments. However; the role that hemoglobin up-regulation plays in diel vertical migration, and how it might mediate coexistence of Daphnia within lakes is still unclear. Using an oligotrophic lake in Ontario, I studied three distinct phenotype ...
... to up-regulate hemoglobin in response to low oxygen environments. However; the role that hemoglobin up-regulation plays in diel vertical migration, and how it might mediate coexistence of Daphnia within lakes is still unclear. Using an oligotrophic lake in Ontario, I studied three distinct phenotype ...
Differences in soft-sediment macrobenthic - Research Online
... Caulerpa taxifolia is a habitat-forming green alga that has invaded several temperate regions worldwide. Although C. taxifolia covers large areas of soft-sediment habitat, little is known about its effects on softsediment invertebrate assemblages. We compared soft-sediment macroinvertebrate assembla ...
... Caulerpa taxifolia is a habitat-forming green alga that has invaded several temperate regions worldwide. Although C. taxifolia covers large areas of soft-sediment habitat, little is known about its effects on softsediment invertebrate assemblages. We compared soft-sediment macroinvertebrate assembla ...
Answer Key - Mandarin High School - Mrs. Brand`s Science Classes
... be published in their magazine, is to report on the value of biodiversity and the ecology of an endangered species in the writer’s state. The article should include a conservation or recovery plan for the endangered species. You have decided to enter the competition by creating a magazine article, c ...
... be published in their magazine, is to report on the value of biodiversity and the ecology of an endangered species in the writer’s state. The article should include a conservation or recovery plan for the endangered species. You have decided to enter the competition by creating a magazine article, c ...
Phage and bacteria support mutual diversity in a narrowing
... justified by the strong specificity of phage predation. To describe the interacting bacteria–phage ecology, we assume a well-mixed system, that is, a system where spatial fluctuations are negligible. Fluctuations in environmental conditions have been shown to permit the coexistence of a greater numb ...
... justified by the strong specificity of phage predation. To describe the interacting bacteria–phage ecology, we assume a well-mixed system, that is, a system where spatial fluctuations are negligible. Fluctuations in environmental conditions have been shown to permit the coexistence of a greater numb ...
EFFECTS OF AN INVASIVE CONSUMER ON ZOOPLANKTON COMMUNITIES ARE by
... unanticipated consequences of previously well-understood phenomena". Of particular importance to the development of multiple stressor experiments was the hypothesis by Breitburg et al. (1998) that the most damaging combinations of stressors would be those that interact to affect different species in ...
... unanticipated consequences of previously well-understood phenomena". Of particular importance to the development of multiple stressor experiments was the hypothesis by Breitburg et al. (1998) that the most damaging combinations of stressors would be those that interact to affect different species in ...
Lesson Overview
... experiences stress. The organism must expend more energy to maintain homeostasis, and so has less energy left for growth and reproduction. ...
... experiences stress. The organism must expend more energy to maintain homeostasis, and so has less energy left for growth and reproduction. ...
Linking Restoration and Ecological Succession (Springer
... potential benefits a closer examination of succession can provide. These benefits address both how to restore ecosystem function and structure as quickly as possible and the longer-term consequences of current restoration activities. Successfully restored ecosystems can be more or less sustainable w ...
... potential benefits a closer examination of succession can provide. These benefits address both how to restore ecosystem function and structure as quickly as possible and the longer-term consequences of current restoration activities. Successfully restored ecosystems can be more or less sustainable w ...
abstracts / oral presentations - Association for Tropical Biology and
... and Sustainable Use of Biodiversity”, a theme that is particularly relevant for tropical ecosystems which are still under constant pressure by conversion to agriculture and pastures, are in most cases unsustainably exploited for their goods and faced therefore high degradatio ...
... and Sustainable Use of Biodiversity”, a theme that is particularly relevant for tropical ecosystems which are still under constant pressure by conversion to agriculture and pastures, are in most cases unsustainably exploited for their goods and faced therefore high degradatio ...
How do transposable elements work - Zoology, UBC
... how do you genetically alter embryos? and what are the surronding issues? What are SINEs? Why do humans initially have tails as embryos but loses it by the time it emerges from the womb? What are the differences between Paranthropus boisei, Homo erectus and Homo neanderthalensis compared to Homo sa ...
... how do you genetically alter embryos? and what are the surronding issues? What are SINEs? Why do humans initially have tails as embryos but loses it by the time it emerges from the womb? What are the differences between Paranthropus boisei, Homo erectus and Homo neanderthalensis compared to Homo sa ...
Mangrove Workshop Manual - Smithsonian Environmental
... paralleling the geographical distribution of coral reefs. They survive in substrate salinities ranging from fresh water alongside rivers to hypersaline ponds and mudflats. Mangrove plants are pioneer as well as mature-phase species. They not only help form these environments, they create habitats fo ...
... paralleling the geographical distribution of coral reefs. They survive in substrate salinities ranging from fresh water alongside rivers to hypersaline ponds and mudflats. Mangrove plants are pioneer as well as mature-phase species. They not only help form these environments, they create habitats fo ...