Classification of the terrestrial habitats on Marion Island based on vegetation and soil chemistry

2001 ◽  
Vol 12 (2) ◽  
pp. 181-198 ◽  
Author(s):  
V.R. Smith ◽  
Marianna Steenkamp
Biotropica ◽  
1992 ◽  
Vol 24 (4) ◽  
pp. 488 ◽  
Author(s):  
Michael S. Ross ◽  
Joseph J. O'Brien ◽  
Laura J. Flynn

2018 ◽  
Vol 73 ◽  
pp. 06016 ◽  
Author(s):  
eka suardana Alfan ◽  
Muhammad Fuad

Illegal mining activities in the kolaka regency of Southeast Sulawesi province is one of the mines whose location is in the conservation area of nature tourism park. Mining by means of dredging with an average depth of up to 15 meters and indiscriminate stockpiling after mining, using mercury chemicals (hg) so make the land damaged and unproductive, changes in the landscape and damage the physical properties of the soil that makes the soil pH becomes sour, so as to make soil quality low, dust texture increased and soil compaction that makes soil chemistry decreased, so can not support the growth of plants around the mine, the occurrence of heavy erosion and loss of top soil. the mining area reaches 50 hectares which damages the soil quality and removes vegetation around the area.


2016 ◽  
Vol 8 (1) ◽  
pp. 89-103 ◽  
Author(s):  
Claire M. Wood ◽  
Robert G. H. Bunce

Abstract. A survey of the natural environment was undertaken in Shetland in 1974, after concern was expressed that large-scale development from the new oil industry could threaten the natural features of the islands. A framework was constructed by the Institute of Terrestrial Ecology on which to select samples for the survey. The vegetation and habitat data that were collected, along with the sampling framework, have recently been made public via the following doi:10.5285/06fc0b8c-cc4a-4ea8-b4be-f8bd7ee25342 (Terrestrial habitat, vegetation and soil data from Shetland, 1974) and doi:10.5285/f1b3179e-b446-473d-a5fb-4166668da146 (Land Classification of Shetland 1974). In addition to providing valuable information about the state of the natural environment of Shetland, the repeatable and statistically robust methods developed in the survey were used to underpin the Countryside Survey, Great Britain's national long-term integrated environmental monitoring programme. The demonstration of the effectiveness of the methodology indicates that a repeat of the Shetland survey would yield statistics about ecological changes in the islands, such as those arising from the impacts of the oil industry, a range of socio-economic impacts, and perhaps climate change. Currently no such figures are available, although there is much information on the sociological impacts, as well as changes in agriculture.


2015 ◽  
Vol 8 (2) ◽  
pp. 827-857
Author(s):  
C. M. Wood ◽  
R. G. H. Bunce

Abstract. A survey of the natural environment was undertaken in Shetland in 1974, after concern was expressed that large scale development from the new oil industry could threaten the natural features of the islands. A framework was constructed by the Institute of Terrestrial Ecology on which to select samples for the survey. The vegetation and habitat data that were collected, along with the sampling framework, have recently been made public via the following DOIs: doi:10.5285/06fc0b8c-cc4a-4ea8-b4be-f8bd7ee25342 (Terrestrial habitat, vegetation and soil data from Shetland, 1974) and doi:10.5285/f1b3179e-b446-473d-a5fb-4166668da146 (Land Classification of Shetland 1974). In addition to providing valuable information about the state of the natural environment of Shetland, the repeatable and statistically robust methods developed in the survey were used to underpin the Countryside Survey, Great Britain's national long-term integrated environmental monitoring programme. The demonstration of the effectiveness of the methodology indicates that a repeat of the survey would yield statistics about ecological changes in the islands, such as those arising from the impacts of the oil industry. Currently no such figures are available although there is much information on the sociological impacts, as well as changes in agriculture.


2015 ◽  
Vol 8 ◽  
Author(s):  
J.S.F. van der Vyver ◽  
P.J.N. De Bruyn ◽  
M.R. Lipinski ◽  
R.W. Leslie

A porbeagle sharkLamna nasuswas found stranded at the sub-Antarctic Marion Island on 26 March 2014. The specimen, a sub-adult female, measuring 123 cm pre-caudal length, was photographically recorded and identified on the basis of its meristic traits. This observation is related to current information on the distribution of the species obtained from fisheries in the Southern Ocean and its feeding biology. TheOnykia ingenssquid specimen found in the specimen's stomach content matches the classification of porbeagle sharks as pelagic and demersal predators and adds to the cephalopod prey species list of the recently established Prince Edward Islands Marine Protected Area.


Fractals ◽  
1998 ◽  
Vol 06 (04) ◽  
pp. 359-369 ◽  
Author(s):  
N. Makarenko ◽  
L. M. Karimova ◽  
B. I. Demchenko ◽  
M. M. Novak

The physics of terrestrial radioactive contamination is complex, primarily due to the mixtures of radionuclides, their migration, the effects of soil chemistry, and the prevalent climate. Consequently, application of classical techniques is inappropriate in modeling such an environment. The classification of territories contaminated with radioactive isotopes is vital in establishing a detoxification plan. Application of the fractal geometry provides a good insight and helps in such classification. Several techniques are implemented to determine geometric aspects of contaminated fields, and these show a way to differentiate between natural and man-made isotopes.


2013 ◽  
Vol 3 (2) ◽  
pp. 130-143 ◽  
Author(s):  
Jiří Komárek

The review of freshwater natural populations of coccoid cyanobacteria from the ecosystems of the coastal Antarctica in the vicinity of Antarctic Peninsula is presented in two consequent articles. The natural cyanobacterial populations were studied from deglaciated regions with aquatic and terrestrial habitats, mainly from the islands Nelson and King George (South Shetland Islands) and from the northern deglaciated part of the James Ross Island (NW part of the Weddell Sea). Majority of identified morphospecies was distinctly ecologically restricted and their cultivation was not successful; the molecular evaluation was therefore not possible. All morphotypes appeared also in small quantities, and only few morphospecies created locally more intense populations. However, the knowledge of phenotype variation is important for the classification of Antarctic cyanobacterial diversity. This first article contains 11 taxa (morphospecies) from 9 genera from the simple phylogenetic clade, classified recently in the order Synechococcales (the second part will contain species from more complicated unicellular cyanobacterial orders). Our results were compared with literary data, but several populations occurred only rarely in atypical stages and their taxonomic classification was difficult. The modern cyanobacterial system (Hoffmann et al. 2005, Komárek et al. 2013) is used for the classification.


1966 ◽  
Vol 24 ◽  
pp. 21-23
Author(s):  
Y. Fujita

We have investigated the spectrograms (dispersion: 8Å/mm) in the photographic infrared region fromλ7500 toλ9000 of some carbon stars obtained by the coudé spectrograph of the 74-inch reflector attached to the Okayama Astrophysical Observatory. The names of the stars investigated are listed in Table 1.


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