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Mars Extant Life: What's Next? Conference Report 期刊论文
发表期刊: ASTROBIOLOGY. 出版年: 2020, 卷号: 20, 期号: 6, 页码: 785-814
作者:  Carrier, B. L.;  Beaty, D. W.;  Meyer, M. A.;  Blank, J. G.;  Chou, L.;  DasSarma, S.;  Des Marais, D. J.;  Eigenbrode, J. L.;  Grefenstette, N.;  Lanza, N. L.;  Schuerger, A. C.;  Schwendner, P.;  Smith, H. D.;  Stoker, C. R.;  Tarnas, J. D.;  Webster, K. D.;  Bakermans, C.;  Baxter, B. K.;  Bell, M. S.;  Benner, S. A.;  Torres, H. H. Bolivar;  Boston, P. J.;  Bruner, R.;  Clark, B. C.;  DasSarma, P.;  Engelhart, A. E.;  Gallegos, Z. E.;  Garvin, Z. K.;  Gasda, P. J.;  Green, J. H.;  Harris, R. L.;  Hoffman, M. E.;  Kieft, T.;  Koeppel, A. H. D.;  Lee, P. A.;  Li, X.;  Lynch, K. L.;  Mackelprang, R.;  Mahaffy, P. R.;  Matthies, L. H.;  Nellessen, M. A.;  Newsom, H. E.;  Northup, D. E.;  O';  Connor, B. R. W.;  Perl, S. M.;  Quinn, R. C.;  Rowe, L. A.;  Sauterey, B.;  Schneegurt, M. A.;  Schulze-Makuch, D.;  Scuderi, L. A.;  Spilde, M. N.;  Stamenkovic, V;  Celis, J. A. Torres;  Viola, D.;  Wade, B. D.;  Walker, C. J.;  Wiens, R. C.;  Williams, A. J.;  Williams, J. M.;  Xu, J.
收藏  |  浏览/下载:74/0  |  提交时间:2020/07/01
Mars extant life  Biosignatures  Life detection  Astrobiology  Life in extreme environments  
Climatic buffering and anthropogenic degradation of a Mediterranean-type shrubland refugium at its semi-arid boundary, South Africa 期刊论文
发表期刊: HOLOCENE. 出版年: 2018, 卷号: 28, 期号: 4, 页码: 651-666
作者:  MacPherson, A. J.;  Gillson, L.;  Hoffman, M. T.
收藏  |  浏览/下载:49/0  |  提交时间:2019/11/29
fynbos  interglacial  mid-Holocene Altithermal  no-analogue  palaeoecology  resilience  
Long-term trends in vegetation phenology and productivity over Namaqualand using the GIMMS AVHRR NDVI3g data from 1982 to 2011 期刊论文
发表期刊: SOUTH AFRICAN JOURNAL OF BOTANY. 出版年: 2017, 卷号: 111, 页码: 76-85
作者:  Davis, C. L.;  Hoffman, M. T.;  Roberts, W.
收藏  |  浏览/下载:19/0  |  提交时间:2019/11/29
Namaqualand  AVHRR NDVI3g  Vegetation  Phenology  Productivity  Temporal trends  Global change  Arid environments  
Climate change sentinel or false prophet? The case of Aloe dichotoma 期刊论文
发表期刊: DIVERSITY AND DISTRIBUTIONS. 出版年: 2016, 卷号: 22, 期号: 7, 页码: 745-757
作者:  Jack, S. L.;  Hoffman, M. T.;  Rohde, R. F.;  Durbach, I.
收藏  |  浏览/下载:19/0  |  提交时间:2019/11/29
climate change  climatic discontinuities  demographic patterns  indicator species  range shifts  southern Africa  
Biome stability and long-term vegetation change in the semi-arid, south-eastern interior of South Africa: A synthesis of repeat photo-monitoring studies 期刊论文
发表期刊: SOUTH AFRICAN JOURNAL OF BOTANY. 出版年: 2015, 卷号: 101, 页码: 139-147
作者:  Masubelele, M. L.;  Hoffman, M. T.;  Bond, W. J.
收藏  |  浏览/下载:24/0  |  提交时间:2019/11/29
Bioclimatic envelope models  Climate change  Degradation  Desertification  Ecotone  Growth forms  Overgrazing  Shrub expansion  
A 50 year study shows grass cover has increased in shrublands of semi-arid South Africa 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2014, 卷号: 104, 页码: 43-51
作者:  Masubelele, Mmoto L.;  Hoffman, M. T.;  Bond, W. J.;  Gambiza, J.
Adobe PDF(1140Kb)  |  收藏  |  浏览/下载:38/9  |  提交时间:2019/11/29
Central interior of South Africa  Climate change  Ecotone  Growth forms  Long-term change  Nama-karoo biome  Overgrazing  Rainfall  Shrub expansion  Temporal change and vegetation cover  
Effects of heuweltjies and utilization on vegetation patterns in the Succulent Karoo, South Africa 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2012, 卷号: 87, 页码: 198-205
作者:  Kunz, N. S.;  Hoffman, M. T.;  Weber, B.
收藏  |  浏览/下载:10/0  |  提交时间:2019/11/29
Ecosystem engineering  General Linear Model  Heuweltjies  Palatability  Succulent Karoo  Utilization  
Historical and recent land-use impacts on the vegetation of Bathurst, a municipal commonage in the Eastern Cape, South Africa 期刊论文
发表期刊: AFRICAN JOURNAL OF RANGE & FORAGE SCIENCE. 出版年: 2011, 卷号: 28, 期号: 1, 页码: 9-20
作者:  Puttick, J. R.;  Hoffman, M. T.;  Gambiza, J.
Adobe PDF(1169Kb)  |  收藏  |  浏览/下载:18/4  |  提交时间:2019/11/29
bush encroachment  land degradation  land reform  post-apartheid  subtropical thicket  
Above ground perennial plant biomass across an altitudinal and land-use gradient in Namaqualand, South Africa 期刊论文
发表期刊: SOUTH AFRICAN JOURNAL OF BOTANY. 出版年: 2010, 卷号: 76, 期号: 3, 页码: 471-481
作者:  Anderson, P. M. L.;  Hoffman, M. T.;  O’Farrell, P. J.
收藏  |  浏览/下载:10/0  |  提交时间:2019/11/29
Above ground biomass  Communal land use  Grazing impacts  Volume-biomass regressions  
Bush encroachment under three contrasting land-use practices in a mesic South African savanna 期刊论文
发表期刊: AFRICAN JOURNAL OF ECOLOGY. 出版年: 2009, 卷号: 47, 页码: 62-70
作者:  Wigley, B. J.;  Bond, W. J.;  Hoffman, M. T.
收藏  |  浏览/下载:18/0  |  提交时间:2019/11/28
bush encroachment  consequences  land use  perceptions