The Measurement of Ecological Segregation

1947 ◽  
Vol 12 (3) ◽  
pp. 293 ◽  
Author(s):  
Julius Jahn ◽  
Calvin F. Schmid ◽  
Clarence Schrag
Keyword(s):  
Ecological Segregation

scholarly journals North African hybrid sparrows (Passer domesticus,P. hispaniolensis) back from oblivion - ecological segregation and asymmetric mitochondrial introgression between parental species

2016 ◽  
Vol 6 (15) ◽  
pp. 5190-5206 ◽  
Author(s):  
Abdelkrim Ait Belkacem ◽  
Oliver Gast ◽  
Heiko Stuckas ◽  
David Canal ◽  
Mario LoValvo ◽  
...  
Keyword(s):  
Parental Species ◽  
Passer Domesticus ◽  
North African ◽  
Ecological Segregation ◽  
Mitochondrial Introgression

Ecological segregation and vocal interactions in two sympatric Laterallus crakes

2016 ◽  
Vol 158 (2) ◽  
pp. 431-441 ◽  
Author(s):  
Emiliano A. Depino ◽  
Juan I. Areta
Keyword(s):  
Ecological Segregation ◽  
Vocal Interactions

Morphological variation and ecological distribution of co-occurring larval forms of Oreolalax (Anura: Pelobatidae)

1994 ◽  
Vol 15 (2) ◽  
pp. 109-121 ◽  
Author(s):  
H. Bradley Shaffer ◽  
Robert F. Inger ◽  
Guan-Fu Wu ◽  
Er-Mi Zhao
Keyword(s):  
Multivariate Analysis ◽  
Morphological Variation ◽  
Sichuan Province ◽  
Ecological Distribution ◽  
Additional Species ◽  
Maximum Width ◽  
Ecological Segregation ◽  
Number Of Species ◽  
Stream Size

AbstractThe amphibian fauna of Sichuan Province, China, is remarkable for the large number of species of pelobatid frogs, of which species of Oreolalax form a large portion. We have collected larvae of five species of Oreolalax on Mt. Emei, Sichuan, four of these five at a second locality 40 km from Mt. Emei, and larvae of two additional species at a locality 200 km S of Mt. Emei. These tadpoles are very similar to one another morphologically, a conclusion supported by multivariate analysis. We give diagnostic descriptions and a key for the identification of these seven larval forms. All tadpoles of Oreolalax have lotic habits, and the seven species in our study live in small to medium-sized streams (maximum width 8 m). These species show only moderate ecological segregation in terms of stream size and microhabitat type.

scholarly journals Ecological segregation between closely related species in the flooded forests of the upper Rhine plain

1992 ◽  
Vol 121 (2) ◽  
pp. 293-301 ◽  
Author(s):  
ANNIK SCHNITZLER ◽  
ROLAND CARBIENER ◽  
MICHELE TREMOLIERES
Keyword(s):  
Related Species ◽  
Closely Related Species ◽  
Ecological Segregation ◽  
Flooded Forests ◽  
Upper Rhine

scholarly journals Spatial, Dietary and Temporal Niche Dimensions in Ecological Segregation of Two Sympatric, Congeneric Marsupial Species

2013 ◽  
Vol 6 (1) ◽  
pp. 10-23 ◽  
Author(s):  
Nilton C. Caceres ◽  
Arielli F. Machado
Keyword(s):  
Ecological Segregation ◽  
Temporal Niche ◽  
Marsupial Species

ECOLOGICAL SEGREGATION BETWEEN RANA PYRENAICA AND RANA TEMPORARIA, AND DIFFERENTIAL PREDATION OF EUPROCTUS ASPER ON THEIR TADPOLES

2000 ◽  
Vol 50 (1) ◽  
pp. 65-73 ◽  
Author(s):  
J. Serra-Cobo ◽  
T. Marquès-Bonet ◽  
J.P. Martínez-Rica
Keyword(s):  
Rana Temporaria ◽  
Ecological Segregation ◽  
Differential Predation

Mild segregation in the breeding preferences of an invasive anuran (Discoglossus pictus) and its main native competitor (Epidalea calamita) in ephemeral ponds

2019 ◽  
Vol 40 (4) ◽  
pp. 425-435 ◽  
Author(s):  
Eudald Pujol-Buxó ◽  
Gabriel M. Riaño ◽  
Gustavo A. Llorente
Keyword(s):  
Alien Species ◽  
Native Species ◽  
Evolutionary History ◽  
Reproductive Season ◽  
Breeding Sites ◽  
Ecological Segregation ◽  
Ephemeral Ponds ◽  
Interspecific Differences ◽  
Discoglossus Pictus ◽  
Epidalea Calamita

Abstract The choice of breeding sites by pond-breeding anurans has notable consequences for the fitness of larvae. Hence, beyond pond typology and phenology, adults can also discriminate according to several other features, for instance to favour allotopy with potential competitors. However, the lack of shared evolutionary history might impede proper ecological differentiation with alien species during the first stages of invasions. Here, we studied several possible sources of ecological segregation between the invasive Discoglossus pictus and the native Epidalea calamita in ephemeral ponds, where the native toad hardly had competition before the arrival of the invasive frog. During spring of 2016, we periodically surveyed 69 ephemeral ponds in three areas with different invasion histories to detect the presence/absence of eggs and tadpoles of these species. Invasive D. pictus started breeding earlier than E. calamita, but differences were not significant. Similarly, there were not clear differences among areas with different invasion histories. However, we found for both species a mutual tendency to directly avoid larval syntopy at the end of the reproductive season. We also found interspecific differences in the features that both species use for pond choice, preferring the native species shallower and less vegetated ephemeral ponds. Globally however, co-occurrence was high, pointing at other processes as key to the coexistence between both species in these habitats.

Ecological Segregation of Two Species ofHydropsyche(Trichoptera: Hydropsychidae) in a European Second-Order Stream (Essonne, France)

1997 ◽  
Vol 12 (2) ◽  
pp. 269-279 ◽  
Author(s):  
Robert Sieglstetter ◽  
Florence Agasse ◽  
Thierry Caquet
Keyword(s):  
Second Order ◽  
Order Stream ◽  
Ecological Segregation

scholarly journals Ecological Segregation in Space, Time and Trophic Niche of Sympatric Planktivorous Petrels

PLoS ONE ◽  
2013 ◽  
Vol 8 (4) ◽  
pp. e62897 ◽  
Author(s):  
Joan Navarro ◽  
Stephen C. Votier ◽  
Jacopo Aguzzi ◽  
Juan J. Chiesa ◽  
Manuela G. Forero ◽  
...  
Keyword(s):  
Space Time ◽  
Trophic Niche ◽  
Ecological Segregation

Ecological segregation of bark beetles (Coleoptera, Scolytidae) of spruce

1986 ◽  
Vol 101 (1-5) ◽  
pp. 176-187 ◽  
Author(s):  
M. Grunwald
Keyword(s):  
Bark Beetles ◽  
Ecological Segregation
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