Researches on Population Ecology
1437-5613
0034-5466
Cơ quản chủ quản: N/A
Phân tích ảnh hưởng
Các bài báo tiêu biểu
The genetics and ecology of sympatric speciation: A case study
Tập 40 - Trang 175-187 - 1998
Mating occurs on the larval host plant in allRhagoletis species (Diptera:
Tephritidae). We show how this attribute, when coupled with certain differences
in other biological traits, strongly influences the mode of speciation. In
species of thesuavis species group, host shifts have never occurred during
speciation, and larvae feed in the husks of any walnut species(Juglans spp.),
which are highly t...
A model of the plant-to-plant movement of aphids I. Description of the model
Tập 9 - Trang 53-61 - 1967
The plant-to-plant movement of insects in one of the factors determining the
distribution of individuals in insect populations. In this report the movement
of barley aphids was analyzed by a statistical model. The model is represented
as the convolution of three probability functions: The probability thatl
individuals are located on a plant at timet 1 is represented by the following
equation $$R\l...
The spatial distribution of the wheat-bulb fly,Leptohylemyia coarctata (fall.) (Diptera: Anthomyiidae)
Tập 16 - Trang 127-131 - 1974
The spatial distribution of the eggs, larvae, pupae and adults of the wheat-bulb
fly was investigated by fitting 42 sets of data comprising 1334 samples to the
Poisson and negative binomial distributions, and by using the power law (S 2 =am
b ). In general, the tests indicated that all stages were aggregated and fitted
the negative binomial model....
Dynamics of an enclosed population of pine mice,Microtus pinetorum
Tập 10 - Trang 21-30 - 1968
Enclosed populations of pine mice were studied over a 28-month period and
compared with populations in surrounding natural areas. The enclosed populations
reached densities far greater than any observed in surrounding natural areas. It
is suggested that the restriction placed on dispersal by the enclosure walls and
the addition of food in the form of trap bait could have allowed the enclosed
popul...
Evolution of mutualistic symbiosis: A differential equation model
Tập 38 - Trang 211-218 - 1996
In geological history, rapid speciation, called adaptive radiation, has occurred
repeatedly. The origins of such newly developing taxa often evolved from the
symbiosis of different species. Mutualistic symbioses are generally considered
to evolve from parasitic relationships. As well as the previous model of host
population with discrete generations, a differential equation model of host
populatio...
Territory establishment of young bio-clawed shrew,Sorex unguiculatus (Dobson) (Insectivora, Soricidae)
Tập 30 - Trang 83-93 - 1988
Ứng dụng phương pháp $$\mathop m\limits^* - m$$ trong phân tích các mẫu không gian bằng cách thay đổi kích thước ô mẫu Dịch bởi AI
Tập 14 - Trang 97-128 - 1972
Một phương pháp phân tích mẫu không gian sử dụng các ô mẫu với kích thước khác
nhau được phát triển dựa trên mối quan hệ giữa mật độ trung bình (m) và độ dày
trung bình $$\mathop m\limits^*$$. Phân tích hồi quy $$\mathop m\limits^*$$ trên
m thu được từ các thay đổi liên tiếp về kích thước ô mẫu trong cùng một quần thể
(quan hệ đơn vị) cho thấy một mẫu đặc trưng theo loại phân bố. Bằng cách sử dụng...
A Simulation model for the arrowhead scale (Hemiptera: Diaspididae) population dynamics on citrus trees in relation to pest-management programs
Tập 34 - Trang 155-171 - 1992
Theoretical aspects of extinction by inbreeding depression
Tập 40 - Trang 279-286 - 1998
Populational extinction due to inbreeding depression is analyzed with simple
population genetic and population ecological models. Two alternative genetic
mechanisms of inbreeding depression, i.e. recessive deleterious genes and
overdominant genes, are assumed in separate analyses in order to examine their
relative importance. With both mechanisms the population size and the
coefficient of inbreedi...