Recruitment and demographic structure of floodplain tree species in the Queensland Murray‐Darling basin, Australia

2021 ◽  
Author(s):  
Michael R. Ngugi ◽  
Victor J. Neldner ◽  
Ralph M. Dowling ◽  
Jiaorong Li
Keyword(s):  
Tree Species ◽  
Demographic Structure ◽  
Murray Darling Basin

scholarly journals Modelling the long-term impacts of selective logging on genetic diversity and demographic structure of four tropical tree species in the Amazon forest

2008 ◽  
Vol 254 (2) ◽  
pp. 335-349 ◽  
Author(s):  
Alexandre M. Sebbenn ◽  
Bernd Degen ◽  
Vânia C.R. Azevedo ◽  
Marivana B. Silva ◽  
André E.B. de Lacerda ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Tree Species ◽  
Selective Logging ◽  
Tropical Tree ◽  
Amazon Forest ◽  
Demographic Structure ◽  
Tropical Tree Species

Impact of selective logging on genetic composition and demographic structure of four tropical tree species

2006 ◽  
Vol 131 (3) ◽  
pp. 386-401 ◽  
Author(s):  
B. Degen ◽  
L. Blanc ◽  
H. Caron ◽  
L. Maggia ◽  
A. Kremer ◽  
...  
Keyword(s):  
Tree Species ◽  
Selective Logging ◽  
Tropical Tree ◽  
Demographic Structure ◽  
Genetic Composition ◽  
Tropical Tree Species

Contrasting Demographic Structure of Short- and Long-lived Pioneer Tree Species on Amazonian Forest Edges

Biotropica ◽  
2012 ◽  
Vol 44 (6) ◽  
pp. 771-778 ◽  
Author(s):  
Graciliano G. A. Santos ◽  
Bráulio A. Santos ◽  
Henrique E. M. Nascimento ◽  
Marcelo Tabarelli
Keyword(s):  
Tree Species ◽  
Forest Edges ◽  
Demographic Structure ◽  
Amazonian Forest ◽  
Pioneer Tree Species ◽  
Pioneer Tree

Wave and nonwave regeneration processes in a subalpine Abies balsamea forest

1986 ◽  
Vol 64 (2) ◽  
pp. 341-349 ◽  
Author(s):  
Kirk A. Moloney
Keyword(s):  
New York ◽  
Spatial Distribution ◽  
Tree Species ◽  
Abies Balsamea ◽  
Wave Formation ◽  
Demographic Structure ◽  
Subalpine Fir ◽  
Regeneration Cycle ◽  
Whiteface Mountain ◽  
Regeneration Processes

An investigation was conducted on Whiteface Mountain, New York, to determine if the dynamics of the dominant tree species, Abies balsamea, were similar among two wave areas and one nonwave area of subalpine fir forest. Associated understory populations of vascular and bryophyte species were also studied to determine their response to changes in the organization of the Abies balsamea canopy. The regeneration cycles of the wave and nonwave areas exhibited strong parallels. However, some differences were noted, particularly with respect to the transition between generations of trees. Changes in understory populations were associated with changes in the organization of the Abies balsamea population, but to differing degrees dependent upon location. It is suggested that fir wave formation is the result of the interaction between an underlying demographic process common to both wave and nonwave regions (the Abies balsamea regeneration cycle) and a directional stress imposed on the canopy by prevailing winds. This implies that wave formation does not result from a major reorganization of the demographic structure of the Abies balsamea population, but from a reorganization of the spatial distribution of regeneration stages.

Purification of plasma membranes from leaves of conifer and deciduous tree species by phase partitioning and free-flow electrophoresis

1995 ◽  
Vol 95 (3) ◽  
pp. 399-408 ◽  
Author(s):  
Elena Toll ◽  
Federico J. Castillo ◽  
Pierre Crespi ◽  
Michele Crevecoeur ◽  
Hubert Greppin
Keyword(s):  
Tree Species ◽  
Plasma Membranes ◽  
Free Flow ◽  
Deciduous Tree ◽  
Phase Partitioning

Biscogniauxia (Hypoxylon) Canker or Dieback in Trees

EDIS ◽  
2017 ◽  
Vol 2017 (6) ◽  
Author(s):  
Claudia Paez ◽  
Jason A. Smith
Keyword(s):  
Water Stress ◽  
Tree Species ◽  
Soil Compaction ◽  
Urban Areas ◽  
Root Disease ◽  
Poor Health ◽  
Green Spaces ◽  
Opportunistic Pathogens ◽  
Wide Range ◽  
Quercus Spp

Biscogniauxia canker or dieback (formerly called Hypoxylon canker or dieback) is a common contributor to poor health and decay in a wide range of tree species (Balbalian & Henn 2014). This disease is caused by several species of fungi in the genus Biscogniauxia (formerly Hypoxylon). B. atropunctata or B. mediterranea are usually the species found on Quercus spp. and other hosts in Florida, affecting trees growing in many different habitats, such as forests, parks, green spaces and urban areas (McBride & Appel, 2009).  Typically, species of Biscogniauxia are opportunistic pathogens that do not affect healthy and vigorous trees; some species are more virulent than others. However, once they infect trees under stress (water stress, root disease, soil compaction, construction damage etc.) they can quickly colonize the host. Once a tree is infected and fruiting structures of the fungus are evident, the tree is not likely to survive especially if the infection is in the tree's trunk (Anderson et al., 1995).

Latin America in Difficult Search of Its Way

2004 ◽  
pp. 107-117
Author(s):  
Z. Romanova
Keyword(s):  
Latin America ◽  
Demographic Structure ◽  
Financial Problems ◽  
Strategy Of Development ◽  
Small Countries ◽  
New Strategy

The article is devoted to the analysis of economic and financial problems and contradictions accumulated in Latin America under conditions of globalization and market liberation. The originated unfavorable changes gave rise to the need of policy correction in big and small countries. The author analyses a new strategy of development adequate for Latin America with its specific geopolitical situation, demographic structure and history.

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