Robert A Dull
Biographic Data
| ID | 1637843 |
|---|---|
| NAME | Robert A Dull |
| GIVEN NAMES | Robert A |
| FAMILY NAME | Dull |
| SIGNATURE | DULL R A |
| AFFILIATIONS | The University of Texas at Austin |
| ORCID | 0000-0003-3309-6267 |
| VERIFIED | Yes |
| TOTAL WORKS | 7 |
| TOTAL CITATIONS | 128 |
| WORKS AS AUTHOR | 7 |
| WORKS AS EDITOR | 0 |
| FIRST PUBLICATION YEAR | 2001 |
| LATEST PUBLICATION YEAR | 2011 |
| H-INDEX | 4 |
Human versus climatic influences on late-Holocene fire regimes in southwestern Nicaragua
Fire regimes in the lowland Neotropics are affected both by anthropogenic land use practices and natural climate variability. In Central America it is widely recognized that fire has been used as an agricultural tool for thousands of years, but the role of anthropogenic ignition as a determinant of past biomass burning frequency and magnitude has been debated. Little is known about the effects of short-term climate variability on fire regimes in …
Neotropical human–landscape interactions, fire, and atmospheric CO 2 during European conquest
Neotropical biomass burning reconstructions synthesized from soil and sedimentary charcoal records indicate a period of reduced biomass burning sustained for several centuries after ~500 cal. yr BP. Proxy records of solar irradiance, El Niño events, temperature, and precipitation document regionally variable climate-related trends that do not account for the uniform reduction in burning across the Neotropics. Decreased human ignition resulting fr…
The Columbian Encounter and the Little Ice Age
Pre-Columbian farmers of the Neotropical lowlands numbered an estimated 25 million by 1492, with at least 80 percent living within forest biomes. It is now well established that significant areas of Neotropical forests were cleared and burned to facilitate agricultural activities before the arrival of Europeans. Paleoecological and archaeological evidence shows that demographic pressure on forest resources-facilitated by anthropogenic burning-inc…
Unpacking El Salvador's ecological predicament
Evidence for Forest Clearance, Agriculture, and Human-Induced Erosion in Precolumbian El Salvador
It is now well established that Precolumbian farmers of Mexico and Central America were responsible for widespread environmental degradation before the arrival of Europeans. Relatively little is known, however, of the chronology, severity, and exact geographic distribution of these anthropogenic landscape impacts. This article addresses questions of Holocene land use and anthropogenic environmental change in the upper Rio Paz Valley, El Salvador,…
An 8000-year record of vegetation, climate, and human disturbance from the Sierra de Apaneca, El Salvador
An ∼8000-cal-yr stratigraphic record of vegetation change from the Sierra de Apaneca, El Salvador, documents a mid-Holocene warm phase, followed by late Holocene cooling. Pollen evidence reveals that during the mid-Holocene (∼8000–5500 cal yr B.P.) lowland tropical plant taxa were growing at elevations ∼200–250 m higher than at present, suggesting conditions about 1.0°C warmer than those prevailing today. Cloud forest genera ( Liquidambar , Jugla…
Volcanism, Ecology and Culture
The Tierra Blanca Joven (TBJ) eruption of the Ilopango caldera in central El Salvador was one of the largest Holocene volcanic events in Central America, and its ecological and cultural impacts were felt throughout El Salvador and adjoining areas of Guatemala and Honduras. Early radiocarbon measurements established a ca. A. D. 260 ± 114 calendar date for the eruption. However, a reevaluation of the original 14C dates, in addition to new AMS 14C a…
The Columbian Encounter and the Little Ice Age
Pre-Columbian farmers of the Neotropical lowlands numbered an estimated 25 million by 1492, with at least 80 percent living within forest biomes. It is now well established that significant areas of Neotropical forests were cleared and burned to facilitate agricultural activities before the arrival of Europeans. Paleoecological and archaeological evidence shows that demographic pressure on forest resources-facilitated by anthropogenic burning-inc…
Neotropical human–landscape interactions, fire, and atmospheric CO 2 during European conquest
Neotropical biomass burning reconstructions synthesized from soil and sedimentary charcoal records indicate a period of reduced biomass burning sustained for several centuries after ~500 cal. yr BP. Proxy records of solar irradiance, El Niño events, temperature, and precipitation document regionally variable climate-related trends that do not account for the uniform reduction in burning across the Neotropics. Decreased human ignition resulting fr…
Volcanism, Ecology and Culture
The Tierra Blanca Joven (TBJ) eruption of the Ilopango caldera in central El Salvador was one of the largest Holocene volcanic events in Central America, and its ecological and cultural impacts were felt throughout El Salvador and adjoining areas of Guatemala and Honduras. Early radiocarbon measurements established a ca. A. D. 260 ± 114 calendar date for the eruption. However, a reevaluation of the original 14C dates, in addition to new AMS 14C a…
Evidence for Forest Clearance, Agriculture, and Human-Induced Erosion in Precolumbian El Salvador
It is now well established that Precolumbian farmers of Mexico and Central America were responsible for widespread environmental degradation before the arrival of Europeans. Relatively little is known, however, of the chronology, severity, and exact geographic distribution of these anthropogenic landscape impacts. This article addresses questions of Holocene land use and anthropogenic environmental change in the upper Rio Paz Valley, El Salvador,…
Volcanism, Ecology and Culture
The Tierra Blanca Joven (TBJ) eruption of the Ilopango caldera in central El Salvador was one of the largest Holocene volcanic events in Central America, and its ecological and cultural impacts were felt throughout El Salvador and adjoining areas of Guatemala and Honduras. Early radiocarbon measurements established a ca. A. D. 260 ± 114 calendar date for the eruption. However, a reevaluation of the original 14C dates, in addition to new AMS 14C a…
An 8000-year record of vegetation, climate, and human disturbance from the Sierra de Apaneca, El Salvador
An ∼8000-cal-yr stratigraphic record of vegetation change from the Sierra de Apaneca, El Salvador, documents a mid-Holocene warm phase, followed by late Holocene cooling. Pollen evidence reveals that during the mid-Holocene (∼8000–5500 cal yr B.P.) lowland tropical plant taxa were growing at elevations ∼200–250 m higher than at present, suggesting conditions about 1.0°C warmer than those prevailing today. Cloud forest genera ( Liquidambar , Jugla…
Evidence for Forest Clearance, Agriculture, and Human-Induced Erosion in Precolumbian El Salvador
It is now well established that Precolumbian farmers of Mexico and Central America were responsible for widespread environmental degradation before the arrival of Europeans. Relatively little is known, however, of the chronology, severity, and exact geographic distribution of these anthropogenic landscape impacts. This article addresses questions of Holocene land use and anthropogenic environmental change in the upper Rio Paz Valley, El Salvador,…
Unpacking El Salvador's ecological predicament
The Columbian Encounter and the Little Ice Age
Pre-Columbian farmers of the Neotropical lowlands numbered an estimated 25 million by 1492, with at least 80 percent living within forest biomes. It is now well established that significant areas of Neotropical forests were cleared and burned to facilitate agricultural activities before the arrival of Europeans. Paleoecological and archaeological evidence shows that demographic pressure on forest resources-facilitated by anthropogenic burning-inc…
Human versus climatic influences on late-Holocene fire regimes in southwestern Nicaragua
Fire regimes in the lowland Neotropics are affected both by anthropogenic land use practices and natural climate variability. In Central America it is widely recognized that fire has been used as an agricultural tool for thousands of years, but the role of anthropogenic ignition as a determinant of past biomass burning frequency and magnitude has been debated. Little is known about the effects of short-term climate variability on fire regimes in …
Neotropical human–landscape interactions, fire, and atmospheric CO 2 during European conquest
Neotropical biomass burning reconstructions synthesized from soil and sedimentary charcoal records indicate a period of reduced biomass burning sustained for several centuries after ~500 cal. yr BP. Proxy records of solar irradiance, El Niño events, temperature, and precipitation document regionally variable climate-related trends that do not account for the uniform reduction in burning across the Neotropics. Decreased human ignition resulting fr…
Geography (7 works) · Ecology (5 works) · Amazonian Archaeology and Ethnohistory (4 works) · Biology (4 works) · Geology and Paleoclimatology Research (4 works) · Physical geography (4 works) · Population (4 works) · Archaeology (3 works) · Archaeology and ancient environmental studies (3 works) · Climate change (3 works)