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Vermicology I - Annelid Resources at annelida.net
Vermicology I - Annelid Resources at annelida.net

... biology, and ecological requirements of vermicomposting worms, briefly discussing their ...
The Hymenopteran subfamily Adeliinae (Braconidae)
The Hymenopteran subfamily Adeliinae (Braconidae)

... Lepidopterans (butterflies). However, there are estimates that there could be as many as 1 000 000 species or more worldwide which means that more than 80 % of the species are yet undescribed and that Hymenopterans would make up about 10 % of the total number of species on Earth (Sharkey 2007). Furt ...
Turner Sasina Research Paper Draft Env340A BROOK TROUT
Turner Sasina Research Paper Draft Env340A BROOK TROUT

... trout and this could eventually be a problem for the suggested sanctuary is in the face of ever increasing temperatures the ability of the brook trout to migrate may prove invaluable, the problem of temperature rising and conservation seems to be lacking in the EBTJV plans to help brook trout in th ...
Ctenophores of the Baltic and adjacent Seas – the invader
Ctenophores of the Baltic and adjacent Seas – the invader

... Diving colleagues have observed rather large amounts of the new species in the vicinity of TMBL during mid October 2006 and several have also been caught here in plankton nets in November. Because of the huge amount of specimens, it is unlikely that the introduction to north European waters happened ...
Effects of Selective Logging on a Bird Community in the Brazilian
Effects of Selective Logging on a Bird Community in the Brazilian

... stratum was not sampled because most trees, for PF and LF did not differ significantly (Mannherbs, and shrubs in this stratum have a smaller Whitney U-test; U = 10,932, P > 0.9). Other diameter and are shorter than the minimum mea- studies conducted in the Neotropics (Thiollay surements required by ...
Flash Summary of MEDPINE 2
Flash Summary of MEDPINE 2

... fluctuating selection with respect to the parental origin populations. Despite their ability to live in arid environments, pines in general, with little variation among species, show higher vulnerability to drought-induced xylem embolism than other conifers. This limitation is somehow compensated by ...
Confusion in the pond: new item on the menu for the naive Grass
Confusion in the pond: new item on the menu for the naive Grass

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... areas. Slash piles, snags, and downed logs should be left for foraging areas after logging to provide cover and habitat ...
Diversity effects beyond species richness: evidence from intertidal macroalgal assemblages Francisco Arenas
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... above canopy for the entire grid. This percentage only reflects the effect of macroalgal species with erect fronds on the light distribution throughout the assemblage. It was not possible to estimate light absorption by encrusting species in the natural assemblage using this methodology. Once ecosys ...
Biology 423 – Exam # 1
Biology 423 – Exam # 1

... 9. (4 pts) Imagine you spend your summers watching mongooses hunting snakes. You discover the following: The mongoose takes on average 90 minutes to find a snake. The handling time is 60 minutes (the snakes put up a very good fight). The mongoose get 1000 calories for each snake he ...
Thermal sensitivity of the freshwater crayfish, Euastacus spinifer
Thermal sensitivity of the freshwater crayfish, Euastacus spinifer

... perception mechanism that is highly adapted to its niche light conditions. Phytochrome is the photoreceptor in plants and bacteria responsible for detecting and responding to changes in red light. A search of the Acaryochloris genome reveals a gene homologous to phytochrome, designated here as amrbp ...
Engineering role models: do non-human species have the answers?
Engineering role models: do non-human species have the answers?

... speeds and siltation rates, and the structures they create support a diversity of other organisms, such as algae, mollusks, annelids, fishes, sponges, reptiles and mammals. The distribution and abundance of many of these taxa depends on the presence of corals (Sebens, 1994). The physical structure o ...
Biotic and abiotic preferences of the cladoceran invader
Biotic and abiotic preferences of the cladoceran invader

... During the late 1980s and early 1990s, the cladoceran Limnosida frontosa invaded several lakes within its natural range in southeastern Norway. In this project, we wanted to study the types of lakes preferred by Limnosida. We also wanted to evaluate the potential competitive effects on other zooplan ...
Commonwealth Funding to Help Protect Northern Quolls
Commonwealth Funding to Help Protect Northern Quolls

... cane toad has spread south as far as Port Macquarie in NSW, reached Kakadu National Park in 2001 and continues to expand its range southwards and north-west. Current estimates show cane toads are spreading in the tropics at about 27 kilometres a year. Recent research undertaken in Kakadu National Pa ...
Gough and Grace 1999
Gough and Grace 1999

... and Armbruster 1991, Mitchell 1992). Using this method, Grace and Pugesek (1997) proposed both a general model whereby plant species density is controlled by abiotic conditions, disturbance, and plant biomass, and a specific version of the model for a Louisiana coastal wetland. They concluded that c ...
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... effective technique for documenting its status, as it is obvious if the species is present or not, since it is readily recorded and can not be confused with, or obscured by, other species. Intensive detector sampling over the last decade (almost continuous since 2004) has provided unusually detailed ...
Trade-offs associated with dietary specialization
Trade-offs associated with dietary specialization

... and C. trifascialis collected from reefs around Lizard Island. Fishes were randomly allocated to 1 of 36 individual aquaria (32×20×16 cm) with flow-through seawater (2 l/min), and then randomly allocated exclusive diets of 1 of 3 different species of common branching corals (A. hyacinthus, Pocillopo ...
Predators and Ecosystem Management James A. Estes Wildlife
Predators and Ecosystem Management James A. Estes Wildlife

... The evidence for keystone roles by large terrestrial carnivores. while often intriguing, is lnore circumstantial. Two potentially dominant and wide-ranging large carnivores in North America-grizzly bears ( 1 Jrsz~s a18ctoshorribilis) and gray w-olves-now are absent from most of their historical rang ...
Appropriate Use of NatureServe Conservation Status Assessments
Appropriate Use of NatureServe Conservation Status Assessments

... the U.S. Fish and Wildlife Service, the Canadian Wildlife Service, and others responsible for administration of state and provincial species conservation laws. These agencies consider NatureServe status ranks, and the documentation that supports them, as a key input for making official determination ...
Ecological Effectiveness: Conservation Goals for Interactive Species
Ecological Effectiveness: Conservation Goals for Interactive Species

... coastal ecosystems were seen by contrasting places within the species’ historical range where they were present or absent, and by following particular areas through time as these places were recolonized by otters and their numbers increased (Estes & Duggins 1995). In all cases these contrasts demons ...
Edge effects of long-term glades on the invertebrate abundance and
Edge effects of long-term glades on the invertebrate abundance and

... availability, shade, camouflage from predator, and vigilance of predators, which we did not differentiate between. Mean total herbivore density was higher in the control grassland in both sites, but this could be because the majority of the observed species were grazers, and not browsers, and thus s ...
Understanding cooccurrence by modelling species simultaneously
Understanding cooccurrence by modelling species simultaneously

... We model species co-occurrence using a multivariate probit regression model (Chib & Greenberg 1998). Probit regression is a generalized linear model similar to logistic regression (McCullagh & Nelder 1989). Probit regression relates a linear predictor, the standard regression equation used in genera ...
Conservation planning and assessment of biological resources and
Conservation planning and assessment of biological resources and

... et al. 1983). Further, because these springs are generally isolated from other springs and seeps, their recovery from any form of disturbance is likely to be impeded markedly by the difficulty of recolonization from similar habitats that may be miles away. Moreover, seeps, springs and hanging garde ...
3. hotspot casestudy info
3. hotspot casestudy info

... comparison, the nearly 18 million people who live in Madagascar today do not represent a very large number considering the land area of the island. However, the population is growing at more than 3 percent per year and is expected to double by the year 2025. In an area that is already one of the mos ...
ecological correlates of residence and non
ecological correlates of residence and non

... (1) A southern Spanish passerine bird community was studied throughout a year, collecting information on species composition and abundance, as wellas foraging behaviour and feeding site utilization of component species. In this paper, comparisons of behavioural, morphological and feeding site niche ...
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Bifrenaria



Bifrenaria, abbreviated Bif. in horticultural trade, is a genus of plant in family Orchidaceae. It contains 20 species found in Panama, Trinidad and South America. There are no known uses for them, but their abundant, and at first glance artificial, flowers, make them favorites of orchid growers.The genus can be split in two clearly distinct groups: one of highly robust plants with large flowers, that encompass the first species to be classified under the genus Bifrenaria; other of more delicate plants with smaller flowers occasionally classified as Stenocoryne or Adipe. There are two additional species that are normally classified as Bifrenaria, but which molecular analysis indicate to belong to different orchid groups entirely. One is Bifrenaria grandis which is endemic to Bolívia and which is now placed in Lacaena, and Bifrenaria steyermarkii, an inhabitant of the northern Amazon Forest, which does not have an alternative classification.
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