USGS Professional Paper 1650–F: Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in North America—Modern Data for Climatic Estimation from Vegetation Inventories

Histograms

Histograms illustrating the data are included in this report following the data tables. In previous volumes of this atlas, histograms depicted the number of occurrences of each taxon in relation to a given range of a climatic parameter. A bar in a histogram represented a specified range of a climatic parameter, and the height of the bar indicated the number of occurrences of the taxon that fell within this specified range. The histograms in this report are different in that instead of the bars of the previous volumes, we constructed "silhouettes" that are continuous lines that would trace the tops of the individual bars, and instead of using bars that show the number of occurrences that fall within the range of each increment on the x axis (for example, 1°C), these values are coded to reflect the 1 to 4 values used as weights in our MCR_wt analyses.

Histograms

There are 30 pages of histograms (with 18 histograms per page) for each of four pairs of parameters:

mean temperature of the coldest month (MTCO) and mean temperature of the warmest month (MTWA)
mean annual temperature (ANNT) and growing degree days on a 5°C base (GDD5)
mean January precipitation (JANP) and mean July precipitation (JULP)
mean annual precipitation (ANNP) and actual evapotranspiration/potential evapotranspiration (AE/PE)

Below are the taxa covered on each page:

Page	Taxa (alphabetical range)			Parameters
1	Abies amabilis	to	Acer leucoderme	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
2	Acer macrophyllum	to	Alnus rubra	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
3	Alnus rugosa	to	Asimina triloba	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
4	Avicennia germinans	to	Carpinus caroliniana	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
5	Carya aquatica	to	Ceanothus thyrsiflorus	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
6	Celtis laevigata	to	Chilopsis linearis	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
7	Chionanthus virginicus	to	Cornus racemosa	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
8	Cornus rugosa	to	Ehretia anacua	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
9	Erythrina flabelliformis	to	Fraxinus caroliniana	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
10	Fraxinus cuspidata	to	Halesia carolina	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
11	Halesia diptera	to	Ilex vomitoria	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
12	Illicium floridanum	to	Juniperus scopulorum	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
13	Juniperus silicicola	to	Lysiloma microphylla	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
14	Maclura pomifera	to	Myrica heterophylla	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
15	Myrica inodora	to	Picea rubens	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
16	Picea sitchensis	to	Pinus glabra	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
17	Pinus jeffreyi	to	Pinus rigida	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
18	Pinus sabiniana	to	Populus deltoides	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
19	Populus fremontii	to	Prunus serotina	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
20	Prunus subcordata	to	Quercus durandii	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
21	Quercus ellipsoidalis	to	Quercus lobata	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
22	Quercus lyrata	to	Quercus shumardii	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
23	Quercus stellata	to	Rhus copallina	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
24	Rhus glabra	to	Salix bebbiana	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
25	Salix bonplandiana	to	Salix pyrifolia	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
26	Salix scouleriana	to	Shepherdia argentea	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
27	Solanum erianthum	to	Taxus brevifolia	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
28	Taxus canadensis	to	Ulmus thomasii	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
29	Umbellularia californica	to	Yucca mohavensis	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE
30	Yucca rostrata	to	Zanthoxylum hirsutum	MTCO and MTWA \|	ANNT and GDD5 \|	JANP and JULP \|	ANNP and AE/PE