A pollen core is a core sample of a medium containing a stratigraphic sequence of pollen. Analysis of the type and frequency of the pollen in each layer...

Pollen zones are a system of subdividing the Last Glacial Period and Holocene paleoclimate using the data from pollen cores. The sequence provides a global...

studies contemporary and fossil palynomorphs (paleopalynology), including pollen, spores, orbicules, dinocysts, acritarchs, chitinozoans and scolecodonts...

shallowest samples at the top and the deepest at the bottom, to represent a pollen core or other stratified deposit. The depth of the sample corresponds roughly...

criterion for identifying the pollen classes. The eudicots can be divided into two groups: the basal eudicots and the core eudicots. Basal eudicot is an...

proteins of the pollen and the food. There are many cross-reacting substances. Hay fever is not a true fever, meaning it does not cause a core body temperature...

example of findings is from the investigation of flora species using pollen core samples in present-day California. Here in the Waterman Hills researchers...

than those from the previous year. Pollen, an important component of sediment cores, can also be found in ice cores. It provides information on changes...

rainforests found in the park did not always exist. Data collected from pollen core samples has shown that what is now semi-deciduous and evergreen forest...

coastal areas where the soil was more suitable for growing crops. Although pollen core evidence suggests the possibility that limited cereal cultivation took...

construct an irrigational canal and fell trees for timber. A 6-metre (20 ft) pollen core extracted from a mire revealed that in the late quaternary period the...

hypothesis was also tested and again supported by S. Terry Childs in 1996. Pollen core samples in the region document the loss of forested habitats and the...

southern hackberry. Celtis reticulata was one of the species analyzed in a pollen core sampling study in northern Arizona, in which the early to late Holocene...

northern Baja California Sur, and Sonora in Northwestern Mexico. From pollen core data, a portion of the prehistoric distribution of Vauquelinia californica...

population bottlenecks during the glacial maxima of the Pleistocene. Pollen cores indicate that T. plicata only became common in southern coastal British...

Holocene era is known to have differed locally from its present range. From pollen core data, a portion of the prehistoric distribution of this species has been...

fascicles or in a centrifugal spiral. Pollen grains in the Pentapetalae are characteristically tricolpate. This type of pollen grain has three or more pores within...

accumulation of sediment as well as other organic matter such as pollen and charcoal. Sediment cores can also be dated quite accurately, often allowing for lake...

an Iron Age or Romano-British date. However buried soils as well peat pollen cores indicate earlier land-use of these areas and radiocarbon dates suggest...

increased tree size, spring ephemeral abundance, and coarse woody debris. Pollen cores from Lanark County provide information about longer term trends in forest...

Singh from the Australian National University, who found evidence in his pollen cores from Lake George indicating that Aboriginal people began burning in the...

been conducted by studies in the Waterman Mountains of Arizona; these pollen core analyses indicate that this cactus species was present in northern Arizona...

states within the former Yugoslavia. Data from archaeological sites and pollen cores has shown that the species commonly occurred in the Rhine/Meuse delta...

give predicted pollen levels in different parts of Scotland. From these numbers, the system generates a short textual summary of pollen levels as its output...

cells, known as spermatia. Flowering plants contain non-motile sperm inside pollen, while some more basal plants like ferns and some gymnosperms have motile...

October 2021. Abrahim, Ghada MS; Parker, Robin J.; Horrocks, Mark (2013). "Pollen core assemblages as indicator of Polynesian and European impact on the vegetation...

flowering plants by the structure of their pollen. Other dicotyledons and the monocotyledons have monosulcate pollen (or derived forms): grains with a single...

stable isotope measurements from ice cores, growth rates in tree rings, species composition of sub-fossil pollen in lake sediment or foraminifera in ocean...

older occupation at the edge of the marsh at Mallaha. The results of a pollen core from Aamiq was published in 2008 suggesting the area was used for grazing...

birds in Lebanon. Various archaeological studies addressed including pollen core analysis on the site of Aammiq. Mammals: The following descriptions of...