scholarly journals Long-term regeneration of a tropical plant community after sand mining

2018 ◽  
Vol 8 (11) ◽  
pp. 5712-5723 ◽  
Author(s):  
Mário L. Garbin ◽  
Flora Misaki ◽  
Poliana F. Ferreira ◽  
Karlo G. Guidoni-Martins ◽  
Rayara B. Soares ◽  
...  
Keyword(s):  
Plant Community ◽  
Sand Mining ◽  
Tropical Plant

scholarly journals Seed polyphenols in a diverse tropical plant community

2017 ◽  
Vol 106 (1) ◽  
pp. 87-100 ◽  
Author(s):  
Sofia Gripenberg ◽  
Jadranka Rota ◽  
Jorma Kim ◽  
S. Joseph Wright ◽  
Nancy C. Garwood ◽  
...  
Keyword(s):  
Plant Community ◽  
Tropical Plant

scholarly journals Organization, operations, and success of environmental organized crime in Italy and India: A comparative analysis

2016 ◽  
Vol 14 (2) ◽  
pp. 160-182 ◽  
Author(s):  
Aunshul Rege ◽  
Anita Lavorgna
Keyword(s):  
Comparative Analysis ◽  
Organized Crime ◽  
Research Area ◽  
Sand Mining ◽  
Short And Long Term ◽  
Operational Practices ◽  
Organized Crime Groups ◽  
Organizational Mechanisms ◽  
Environmental Crimes

Despite the devastating short- and long-term consequences of resource-related environmental crimes, rampant illegal soil and sand mining continues worldwide. In countries such as India and Italy, organized crime groups have emerged as prominent illegal suppliers of soil and sand. The proposed study focuses on an understudied research area at the intersection between organized crime and environmental crimes, and offers a trans-comparative study of illegal soil and sand mining conducted by Indian and Italian organized crime groups with two main objectives. First, a comparative analysis of the organizational mechanisms, operational practices, threat management, and supporting cultural, regulatory, and policing factors is conducted. Second, a discussion of how these groups reflect mainstream models and theories of organized crime is offered.

Pans in humus podzols (Humods and Aquods) in coastal southern Queensland

Soil Research ◽  
1996 ◽  
Vol 34 (1) ◽  
pp. 161 ◽  
Author(s):  
CH Thompson ◽  
EM Bridges ◽  
DA Jenkins
Keyword(s):  
Soil Depth ◽  
Sand Dunes ◽  
Coastal Dunes ◽  
Particle Packing ◽  
Sand Mining ◽  
Coastal Sand Dunes ◽  
Organic Complex ◽  
Coastal Sand ◽  
Coastal Lowlands

An exploratory examination has been made of three different kinds of hardpans found in humus podzols (Humods and Aquods) of the coastal lowlands of southern Queensland, by means of slaking tests, a reactive aluminium test, acid oxalate and pyrophosphate extractions and electron microscopy. Samples from three indurated layers exposed by erosion or sand-mining in large coastal dunes were included for comparison. The investigation confirmed that, a pan in a bleached A2 (albic E) horizon is most likely caused by particle packing and that a pan in a black B2h (spodic) horizon is cemented by an aluminium-organic complex. Yellow-brown pans underlying black organic pans (spodic horizons) were found to be cemented by both a proto-imogolite/allophane complex and an organic substance. An inorganic reactive Al complex differing from the proto-imogolite allophane recorded in the overlying giant podzols appeared to be main cement of three indurated layers in the nearby coastal sand dunes. Mechanical disturbance of the pans, e.g. ripping, is unlikely to improve drainage and effective soil depth in the long term, because the disturbed zones are expected to be re-sealed by packed particles or by the aluminium-organic complex cement.

Grassland reclamation of a copper mine tailings facility: Long term effects of biosolids on plant community responses

2021 ◽  
Author(s):  
Alyson Gagnon ◽  
Laura W. Ploughe ◽  
Michelle P. Harris ◽  
Wendy C. Gardner ◽  
Thomas Pypker ◽  
...  
Keyword(s):  
Plant Community ◽  
Mine Tailings ◽  
Long Term Effects ◽  
Community Responses ◽  
Copper Mine ◽  
Copper Mine Tailings

scholarly journals A Refined Methodology for Defining Plant Communities Using Postagricultural Data from the Neotropics

2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Randall W. Myster
Keyword(s):  
Puerto Rico ◽  
Plant Community ◽  
Plant Communities ◽  
Association Strength ◽  
Old Field ◽  
Species Groups ◽  
Banana Plantations

How best to define and quantify plant communities was investigated using long-term plot data sampled from a recovering pasture in Puerto Rico and abandoned sugarcane and banana plantations in Ecuador. Significant positive associations between pairs of old field species were first computed and then clustered together into larger and larger species groups. I found that (1) no pasture or plantation had more than 5% of the possible significant positive associations, (2) clustering metrics showed groups of species participating in similar clusters among the five pasture/plantations over a gradient of decreasing association strength, and (3) there was evidence for repeatable communities—especially after banana cultivation—suggesting that past crops not only persist after abandonment but also form significant associations with invading plants. I then showed how the clustering hierarchy could be used to decide if any two pasture/plantation plots were in the same community, that is, to define old field communities. Finally, I suggested a similar procedure could be used for any plant community where the mechanisms and tolerances of species form the “cohesion” that produces clustering, making plant communities different than random assemblages of species.

scholarly journals Long-term exposure to elevated CO2 enhances plant community stability by suppressing dominant plant species in a mixed-grass prairie

2014 ◽  
Vol 111 (43) ◽  
pp. 15456-15461 ◽  
Author(s):  
T. J. Zelikova ◽  
D. M. Blumenthal ◽  
D. G. Williams ◽  
L. Souza ◽  
D. R. LeCain ◽  
...  
Keyword(s):  
Plant Species ◽  
Plant Community ◽  
Elevated Co2 ◽  
Community Stability ◽  
Mixed Grass Prairie ◽  
Dominant Plant Species ◽  
Mixed Grass

Sand mining impacts on long-term dune erosion in southern Monterey Bay

2006 ◽  
Vol 229 (1-2) ◽  
pp. 45-58 ◽  
Author(s):  
Edward B. Thornton ◽  
Abby Sallenger ◽  
Juan Conforto Sesto ◽  
Laura Egley ◽  
Timothy McGee ◽  
...  
Keyword(s):  
Monterey Bay ◽  
Sand Mining ◽  
Mining Impacts ◽  
Dune Erosion
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