Rhizome Plasticity and Clonal Foraging of Calamagrostis Canadensis in Response to Habitat Heterogeneity

1993 ◽  
Vol 81 (4) ◽  
pp. 769 ◽  
Author(s):  
S. Ellen Macdonald ◽  
Victor J. Lieffers
Keyword(s):  
Habitat Heterogeneity ◽  
Calamagrostis Canadensis ◽  
Clonal Foraging

scholarly journals Nocturnal bird composition in relation to habitat heterogeneity in small scale oil palm agriculture in Malaysia

2016 ◽  
Vol 233 ◽  
pp. 140-146 ◽  
Author(s):  
Muhammad Syafiq Yahya ◽  
Chong Leong Puan ◽  
Badrul Azhar ◽  
Sharifah Nur Atikah ◽  
Amal Ghazali
Keyword(s):  
Oil Palm ◽  
Habitat Heterogeneity ◽  
Small Scale ◽  
Bird Composition

Habitat heterogeneity influences the response of microbial communities to severe low-flow periods in alluvial wetlands

2013 ◽  
Vol 59 (3) ◽  
pp. 463-476 ◽  
Author(s):  
Arnaud Foulquier ◽  
Arnaud Dehedin ◽  
Christophe Piscart ◽  
Bernard Montuelle ◽  
Pierre Marmonier
Keyword(s):  
Microbial Communities ◽  
Habitat Heterogeneity ◽  
Low Flow

Spring Bird Community Structure in Response to Habitat Heterogeneity in a Subtropical Hilly Landscape

2014 ◽  
Vol 1010-1012 ◽  
pp. 121-125
Author(s):  
Wen Bin Li ◽  
Zhi Ming Mo ◽  
Xing Ting Chen ◽  
Chun Huang ◽  
Ming Feng Xu
Keyword(s):  
Indicator Species ◽  
Habitat Heterogeneity ◽  
Southern China ◽  
Bird Species ◽  
Bird Communities ◽  
Bird Diversity ◽  
Indicator Species Analysis ◽  
Heterogeneous Habitats ◽  
Species Analysis ◽  
The Impact

To examine the impact of habitat heterogeneity on the bird communities, we investigated the structural differences of various bird communities occurring in heterogeneous habitats in the subtropical hilly areas of southern China. We used indicator Species Analysis (ISA) to test the association of specific bird species to particular habitats. We performed Two-way Cluster Analysis to find species patterning in response to habitat fragmentation. Our results demonstrated that heterogeneous habitats promoted bird diversity and human activities affected bird behavior. Indicator Species Analysis demonstrated that similar habitats had similar bird communities, while different habitats supported various bird indicator species. Although habitat diversity increased bird diversity of a region, it was unfavorable for the maintenance of specialized birds in the forests of the subtropical hilly area.

scholarly journals Habitat features of settlement areas used by floaters of Bonelli’s and Golden Eagles

2010 ◽  
Vol 21 (1) ◽  
pp. 59-71 ◽  
Author(s):  
JESÚS CARO ◽  
DIEGO ONTIVEROS ◽  
MANUEL PIZARRO ◽  
JUAN M. PLEGUEZUELOS
Keyword(s):  
Iberian Peninsula ◽  
Habitat Heterogeneity ◽  
Habitat Characteristics ◽  
Mean Annual Temperature ◽  
Habitat Features ◽  
Ecological Requirements ◽  
Bonelli’S Eagle ◽  
Declining Species ◽  
Dispersal Period ◽  
Settlement Areas

SummaryBonelli’s Eagle Hieraaetus fasciatus and Golden Eagle Aquila chrysaetos are two declining species, in which floaters tend to be located outside of breeding territories during the dispersal period, in so-called settlement areas. We studied settlement areas for both these long-lived raptors in the southern Iberian Peninsula, to gain a better understanding of the ecological requirements of the eagles during their long pre-adult stage, a period accounting for around 80% of the species’ mortality. Eagle abundance was calculated by road censuses, and habitat characteristics of settlement and non-settlement areas compared by General Discriminant Analysis (GDA) and Logistic Regression (LR). The best model of GDA and LR incorporated the abundance of main prey for eagles (rabbits, partridges) and orchard surface area, and explained 100% of eagle presence; the best model selected by GDA also included habitat heterogeneity. Both eagles tended to share settlement areas in the southern Iberian Peninsula and, when they did not, the mean annual temperature and slope appeared to explain the segregation between the two species. Management measures for the conservation of both threatened species during the dispersal period should be focused on identifying settlement areas, maintaining high prey densities and maximum habitat heterogeneity.

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