Download A Systematic Vademecum to the Vascular Plants of Puerto Rico by Franklin S. Axelrod PDF

By Franklin S. Axelrod

Have you puzzled the place a Puerto Rican plant grows, while it vegetation, the place it comes from? good, here's an annotated record of the vascular vegetation shortly stumbled on transforming into within the wild at the island of Puerto Rico that would be a useful reduction to botanists, ecologists, foresters and anybody else attracted to the plant life of Puerto Rico. right here you will discover the distribution of vascular vegetation in the island supplied based on a unique scheme that includes either vast physiographic parts and particular geographical websites. those are either defined within the textual content and illustrated via 3 maps. additionally, you will locate worthwhile info at the instances of flowering, fruiting, and spore construction for every plant and in addition references for every one to contemporary monographs on Puerto Rican vegetation the place a fuller description of every may be found.

In the previous few years there were many adjustments within the names of person plant taxa (species, subspecies, and types) and within the alignment of plant households. those adjustments are recorded during this paintings in this type of method that older clinical names in addition to Spanish universal names should be tracked to new authorised ones. when you consider that there's a lot overlap of the Puerto Rican plant life with that of different Caribbean islands and components, those nomenclatural adjustments may also be of use to researchers operating in these areas.

This list covers 2909 taxa which are integrated in 1053 genera and 210 households. of those taxa 2335 (80.2%) are local and 574 (19.7%) are unique; of the local ones, 243 (10.4%) are endemic.

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Daily irrigation needs range from 250,000 to 1,000,000 gallons [12, p. 379] for an 18-hole golf course. 3 million gallons per course per year. 6). Periodic dry spells are not uncommon in southern states. Moreover, periods of reduced precipitation seem to persist for years. For example, the southeastern United States experienced a period of prolonged drought between 2000 and 2002. In 2006, parts of Texas and Oklahoma also experienced a long drought. Various areas of California have been affected by drought in recent years as well.

6 Irrigation Needs ............................................................................................................ 7 Turf Quality .................................................................................................................. 7 Implications of Turfgrass Selection Preferences ..................................................................... 1). However, in recent years the increase in the number of players has shown a mixed trend. 1 follows p. ) The number of golf courses and players in the United States, 1985–2004.

2 THE SURVEY OF SOUTHERN GOLF-COURSE OPERATORS Information about the opinions of golf-course operators regarding the need for new turf varieties, preferred turfgrass attributes, and performance of varieties available on the market is fragmentary, although the contribution of breeding programs to advancements in the course surface conditions has been recognized [14]. The general tendencies in such opinions can be inferred from observations of variety selection decisions for planting on new courses, when undertaking renovation, or the interest may be gauged by attendance at seminars, trade shows, and field days.

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