the intermediate disturbance hypothesis and its applicability to
... replication. Padisák (1985) and I (Reynolds, 1984) have advanced the generation time as the key unit of temporal scaling in succession. It is interesting that Wilson (1995) does not dispute the application of “succession” to phytoplankton; neither does he reject the crossscaling argument, for he vie ...
... replication. Padisák (1985) and I (Reynolds, 1984) have advanced the generation time as the key unit of temporal scaling in succession. It is interesting that Wilson (1995) does not dispute the application of “succession” to phytoplankton; neither does he reject the crossscaling argument, for he vie ...
Understanding and confronting species uncertainty in biology and
... species taxa that have been identified traditionally on the basis of distinctive characteristics. On the other hand, we have an idea of a species as a kind of entity in nature, an evolutionary unit made up of related organisms that are evolving together. Over the years, various authors have recogniz ...
... species taxa that have been identified traditionally on the basis of distinctive characteristics. On the other hand, we have an idea of a species as a kind of entity in nature, an evolutionary unit made up of related organisms that are evolving together. Over the years, various authors have recogniz ...
nativ e gra lands.
... on grazing properties. There are a wide variety of native grass species, including warm season and cool season grasses, which have growth periods at different times of the year. Native Grasslands therefore provide the landholder with grazing opportunities at critical times throughout the year. Nativ ...
... on grazing properties. There are a wide variety of native grass species, including warm season and cool season grasses, which have growth periods at different times of the year. Native Grasslands therefore provide the landholder with grazing opportunities at critical times throughout the year. Nativ ...
Diet of four small mammal species from Atlantic forest patches in
... digestive tract portions. However, when volume consumed was evaluated, Arthropoda was the most important item for three species of them. Inversely, fruits were important for C. lanatus. The estimated amount of plant material (seeds and other plant structures) had a higher importance for C. lanatus, ...
... digestive tract portions. However, when volume consumed was evaluated, Arthropoda was the most important item for three species of them. Inversely, fruits were important for C. lanatus. The estimated amount of plant material (seeds and other plant structures) had a higher importance for C. lanatus, ...
Elevational zonation of afrotropical forest bird communities along a
... behaviour, are used to construct the map. Spot-mapping was performed during October–December 2001, at the onset of the breeding season. Ten censuses were carried out on each plot, with the primary aim of recording territory-holding individuals. The second data set analysed combined all types of obse ...
... behaviour, are used to construct the map. Spot-mapping was performed during October–December 2001, at the onset of the breeding season. Ten censuses were carried out on each plot, with the primary aim of recording territory-holding individuals. The second data set analysed combined all types of obse ...
Raphicerus campestris - Endangered Wildlife Trust
... (compared to savannah regions); thus the introduction of extralimital herbivores into these regions is likely to increase competition for local Steenbok populations. Current habitat trend: Stable, although continued human settlement and habitat conversion for agriculture has caused some local declin ...
... (compared to savannah regions); thus the introduction of extralimital herbivores into these regions is likely to increase competition for local Steenbok populations. Current habitat trend: Stable, although continued human settlement and habitat conversion for agriculture has caused some local declin ...
ilp value add set 4 block 4: part i - (ILP) – COLEARN 2017
... broken up into small fragments due to various human activities, mammals and birds requiring large territories and certain animals with migratory habits are badly affected, leading to population declines. Over-exploitation o Human’s ‘need’ for food and shelter turns to ‘greed’ for profits. o Many spe ...
... broken up into small fragments due to various human activities, mammals and birds requiring large territories and certain animals with migratory habits are badly affected, leading to population declines. Over-exploitation o Human’s ‘need’ for food and shelter turns to ‘greed’ for profits. o Many spe ...
chapter 4 - Western Pennsylvania Conservancy
... fashion to avoid abrupt transitions between habitats. Grassland Habitat Reducing the percentage of mowed-grass lawn on one’s property will save money, reduce energy use, fuel consumption, and pollution emissions. Native wildflowers, grasses, and forbs can be used to beautify a property, enhance ecol ...
... fashion to avoid abrupt transitions between habitats. Grassland Habitat Reducing the percentage of mowed-grass lawn on one’s property will save money, reduce energy use, fuel consumption, and pollution emissions. Native wildflowers, grasses, and forbs can be used to beautify a property, enhance ecol ...
Novon
... Figure 1. Ceratozamia decumbens Vovides, Avendaño, Pérez-Farrera & González-Astorga. —A. Mature microstrobilus attached to plant. —B. Detail of leaf cataphyll. —C. Midportion of leaf highlighting detail of articulation and leaflet veins. —D. Microsporophyll showing microsporangia. —E. Habit of fe ...
... Figure 1. Ceratozamia decumbens Vovides, Avendaño, Pérez-Farrera & González-Astorga. —A. Mature microstrobilus attached to plant. —B. Detail of leaf cataphyll. —C. Midportion of leaf highlighting detail of articulation and leaflet veins. —D. Microsporophyll showing microsporangia. —E. Habit of fe ...
The Value of Animal Behavior in Evaluations of Restoration Success
... example, nest success and nest density are strong influences on population replacement in birds (e.g., Pidgeon et al. 2006). However, documenting reproductive success does not explain why individuals in one site have higher reproductive success than individuals in other sites. This missing informati ...
... example, nest success and nest density are strong influences on population replacement in birds (e.g., Pidgeon et al. 2006). However, documenting reproductive success does not explain why individuals in one site have higher reproductive success than individuals in other sites. This missing informati ...
Cladistics, Bruchids and Host Plants: Evolutionary Interactions in
... morphological characters. The analysis generated four equally parsimonious trees of 60 steps in length with a consistency index of 0.63 and a retention index of 0.88. By replacing host families by each species of Amblycerus on the cladogram, an approximation of macroevolution into host taxa was form ...
... morphological characters. The analysis generated four equally parsimonious trees of 60 steps in length with a consistency index of 0.63 and a retention index of 0.88. By replacing host families by each species of Amblycerus on the cladogram, an approximation of macroevolution into host taxa was form ...
Biodiversity is everyone`s business
... Vegetation clearing destroys, fragments or otherwise modifies habitats. Such activities contribute to further loss of biodiversity through accelerated land and water degradation. Over the past 200 years of European settlement, the natural environment of Australia has been ...
... Vegetation clearing destroys, fragments or otherwise modifies habitats. Such activities contribute to further loss of biodiversity through accelerated land and water degradation. Over the past 200 years of European settlement, the natural environment of Australia has been ...
endangered species
... This law identified those species that are considered endangered and made it illegal to take certain actions that harm or could lead to a species becoming extinct, including prohibiting hunting of endangered species and destruction of their habitat. This law also made it illegal to keep these specie ...
... This law identified those species that are considered endangered and made it illegal to take certain actions that harm or could lead to a species becoming extinct, including prohibiting hunting of endangered species and destruction of their habitat. This law also made it illegal to keep these specie ...
AQA A2 Biology Learning Objectives Introduction to Ecology Define
... environment so that it becomes more suitable for other species. The changes in the abiotic environment result in a less hostile environment and changing diversity. Conservation of habitats frequently involves management of succession Spec links: Module 3.6.4 Limitations are inherent in the mater ...
... environment so that it becomes more suitable for other species. The changes in the abiotic environment result in a less hostile environment and changing diversity. Conservation of habitats frequently involves management of succession Spec links: Module 3.6.4 Limitations are inherent in the mater ...
NatioNal actioN PlaN for the coNservatioN of albatrosses
... (information source: Projeto Albatroz). ...
... (information source: Projeto Albatroz). ...
wet tropics of queensland
... substantial amount of lowland forest, however, had been cleared for agricultural purposes. A number of human disturbances that cumulatively detracted from the overall natural integrity were scattered throughout the property and included infrastructure such as transmission lines, access roads, abando ...
... substantial amount of lowland forest, however, had been cleared for agricultural purposes. A number of human disturbances that cumulatively detracted from the overall natural integrity were scattered throughout the property and included infrastructure such as transmission lines, access roads, abando ...
fique scienti Actualité Retreating glaciers
... the populations in different streams at the same altitude is highly consistent. Within a distance of around one hundred metres, the populations found in two streams that appear the same can be substantially different according to which glacier they drain from. Indeed, the Andean glaciers have divers ...
... the populations in different streams at the same altitude is highly consistent. Within a distance of around one hundred metres, the populations found in two streams that appear the same can be substantially different according to which glacier they drain from. Indeed, the Andean glaciers have divers ...
A species-based theory of insular zoogeography
... isolation (Fig. 1; see Lomolino, 1986). The insular distribution function can be represented by a line, or curve, separating islands inhabited by a focal species from those where the species is absent. The salient features of the insular distribution function can be derived with a very conservative ...
... isolation (Fig. 1; see Lomolino, 1986). The insular distribution function can be represented by a line, or curve, separating islands inhabited by a focal species from those where the species is absent. The salient features of the insular distribution function can be derived with a very conservative ...
Community assembly and invasion: An experimental Joseph Fargione* , Cynthia S. Brown
... competitors for nitrogen on these low-nitrogen soils (25) and are the most abundant functional guild in nearby native grasslands. Their ability to strongly competitively inhibit all invaders is a likely explanation for their high abundance. However, because they most strongly inhibit establishment a ...
... competitors for nitrogen on these low-nitrogen soils (25) and are the most abundant functional guild in nearby native grasslands. Their ability to strongly competitively inhibit all invaders is a likely explanation for their high abundance. However, because they most strongly inhibit establishment a ...
MillerLevine4_2_Rev1_Notes - Bloomsburg Area School District
... In a forest, for example, plant roots compete for resources such as _________________ in the soil. Animals ___________ for resources such as food, mates, and places to live and raise their young. Competition can occur both between members of the _______________(known as ____________ __________ ...
... In a forest, for example, plant roots compete for resources such as _________________ in the soil. Animals ___________ for resources such as food, mates, and places to live and raise their young. Competition can occur both between members of the _______________(known as ____________ __________ ...
Breeding and reintroduction programs
... despite exhaustive surveys in known and/or expected habitats. Bush-stone Curlew – Endangered means that the curlew is facing a very high risk of becoming extinct in the wild. Eastern Barred Bandicoot – Extinct in the wild means that the Eastern Barred Bandicoot has not been seen in the wild, despite ...
... despite exhaustive surveys in known and/or expected habitats. Bush-stone Curlew – Endangered means that the curlew is facing a very high risk of becoming extinct in the wild. Eastern Barred Bandicoot – Extinct in the wild means that the Eastern Barred Bandicoot has not been seen in the wild, despite ...
Dingo - FAME
... Dingoes remain common throughout the Northern Territory with the exception of the T Simpson Deserts where they are relatively sparse due to the lack of available drinking However, localised concentrations of dingoes do exist in this region where watering po been introduced, such as on pastoral prope ...
... Dingoes remain common throughout the Northern Territory with the exception of the T Simpson Deserts where they are relatively sparse due to the lack of available drinking However, localised concentrations of dingoes do exist in this region where watering po been introduced, such as on pastoral prope ...
Silviculture Management Prescriptions for Two Sites in the Lower
... success post-harvest (ibid). For Site #1, this would mean retaining some of the larger Douglas-fir within each harvest period for harvest in subsequent rotations. It is recommended that about 50% of the current amount of Douglas-fir stems be maintained to provide forest habitat while opening up the ...
... success post-harvest (ibid). For Site #1, this would mean retaining some of the larger Douglas-fir within each harvest period for harvest in subsequent rotations. It is recommended that about 50% of the current amount of Douglas-fir stems be maintained to provide forest habitat while opening up the ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.