与 «PONDWEED»相关的英语书籍
在以下的参考文献中发现
pondweed的用法。与
pondweed相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Biology: A Functional Approach. Students' Manual
1000 and drrT3) Canadian pondweed (Elodea canadensts) or similar pondweed
(healthy, illuminated, bubbling) Carbon dioxide is often in short supply for the
plants which grow in ponds and lakes. The gas is very soluble in water but once
in ...
M. B. V. Roberts, T. J. King, 1987
2
HANDBOOK OF NATURE STUDY
LESSON 13o PONDWEED LEADING Tnouon-r—The pondweed lives entirely
below the water; at blossom time, however, it sends up its flowerstalks to the
surface of the water, and there sheds its pollen, thus securing cross-pollination.
ANNA BOTSFORD COMSTOCK, 2010
3
Plants of Kananaskis Country in the Rocky Mountains of Alberta
Potamogetonaceae. PONDWEED. FAMILY. I ondweeds are water plants with
jointed stems, often hearing adventitious roots; the leaves are either floating or
submerged. The flowers are arranged in a spike- like cluster raised above the ...
Beryl Hallworth, Chendanda Chengappa Chinnappa, 1997
Curlyleaf pondweed (Figure 2-41) has leaf margins that are finely-toothed and
that, upon maturity, become wavy or curly. The somewhat flattened stems freely
branch on the upper portions of the plant. Reproduction is through stem sections
...
Patrick J. Marer, Kathy Keatley Garvey, 2001
5
The National Wetland Plant List
OBL Potamogeton alpinus Balbis OBL OBL OBL OBL OBL OBL OBL OBL
Reddish Pondweed Potamogeton amplifolius Tuckerman OBL OBL OBL OBL
OBL OBL OBL Large-Leaf Pondweed Potamogeton bicupulatus Fern. OBL OBL
OBL OBL ...
6
Seventh Catalog of the Vascular Plants of Ohio
Family Pondweed Potamogetón amplifolius Tuck. Large-leaved Pondweed. *
Potamogetón crispus L. Curly-leaved Pondweed, Curly Pondweed. Potamogetón
diversifolius Raf. Common Snailseed Pondweed. Potamogetón epihydrus Raf.
Tom S. Cooperrider, Allison Cusick, John T. Kartesz, 2001
7
Thesaurus of Agricultural Organisms
pondweed, curled (E) see Potamogeton crispus pondweed, curlyleaf (E) see
Potamogeton crispus pondweed family (E) see Potamogetonaceae (Family)
pondweed, fennel-leaved (E) see Potamogeton pectlnatus pondweed, fineleaf (E
) see ...
Derwent Publications, 1990
8
Plants of British Columbia: Scientific and Common Names of ...
pondweed, flat-stalked — » flat-stalked pondweed pondweed, floating-leaved -»
floating-leaved pondweed pondweed. Fries' — » Fries' pondweed pondweed,
grass-leaved — » grass-leaved pondweed pondweed, horned -» homed ...
Hong Qian, K. Klinka, 1998
9
Vascular Flora of Illinois
Potamogeton crispus L. Curly Pondweed. May-Sept. Native to Europe;
naturalized in muddy to calcareous ponds, lakes, and streams; occasional
throughout the state. 4. Potamogeton diversifolius Raf. Water-thread Pondweed.
May-Oct. Quiet ...
Robert H. Mohlenbrock, 2002
10
Aquatic Plants of Pennsylvania: A Complete Reference Guide
Potamogeton epihydrus ribbonleaf pondweed Native Potamogeton filiformis
threadleaf pondweed Native Potamogeton foliosus leafy pondweed Native
Potamogeton friesii Fries' pondweed Native Potamogeton gramineus grassy or
variable ...
Timothy A. Block, Ann Fowler Rhoads, 2011
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找出国内和国际出版社所讨论的内容，以及词语
pondweed在以下新条目的上下文中是如何使用的。
Ducks control River Glyme pondweed at Blenheim Palace
Five hundred ducks have been released on an Oxfordshire river to control a pondweed epidemic. The birds have been introduced to the River ... «BBC News, 七月 15»
The 'natural' swimming pools cleansed by plants, not chemicals
Water milfoil, Canadian pondweed and white waterlily are typical of deeper water, while common rush and yellow flag iris are characteristic of ... «Financial Times, 七月 15»
Saratoga rowers learn about lake ecology in floating classroom
The major invasive species in Saratoga Lake are the water chestnut, the Eurasian water milfoil, the zebra mussel and the curly-leaf pondweed. «The Saratogian, 七月 15»
Hundreds of species spotted during 'Bioblitz' challenge
The nearly-extinct flat-stalked pondweed was also found within the reserve. Otter droppings, known as spraint, were also spotted. This supports ... «Buxton Advertiser, 七月 15»
Waseca County Launches Aquatic Invasive Species Prevention Plan
Checking boats and trailers for invasive species like zebra mussels,curly-leaf pondweed, purple loosestrife and Eurasian Milfoil. Neigebauer ... «KEYC, 七月 15»
VIEWPOINT: Save the fish, then eat them
Well known invasives include zebra mussels, carp, Eurasian watermilfoil, and curly-leaf pondweed. Once introduced to a body of water, they ... «Woodbury Bulletin, 七月 15»
Keuka Lake spotters eye invasive species
This year, they have found Eurasian watermilfoil, Curly-leaf pondweed and Zebra mussels on boats. They hope to hinder their spread by ... «Finger Lakes Times, 七月 15»
Shallow bass hunting 'most exciting' way to fish
That cover can be submerged vegetation such as hydrilla or emergent vegetation such as pondweed or water lily. If it also holds clumps of ... «Chron.com, 七月 15»
Aquatic plants provide shelter for young fish
Non-native species like Eurasian watermilfoil and curly-leaf pondweed can crowd out native vegetation and degrade fish and wildlife habitat. «Michigan State University Extension, 七月 15»
David Deen: The menacing seven
... milfoil, variable milfoil, water chestnut, phragmites, Chinese mystery snail, rusty crayfish, curly leaf pondweed, and the zebra mussel. OK, it is ... «vtdigger.org, 七月 15»
