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FROM VOLUME 5, NUMBER 11, NOVEMBER 1992
WORKSHOP ON NATURAL SINKS OF CO2
Water, Air, Soil Pollut., 64(1-2), Aug. 1992, contains 25
refereed papers from a workshop on the science, policy and management aspects of
natural sinks (Palmas Del Mar, Puerto Rico, Feb. 1992). (Kluwer Acad. Pubs., POB
322, 3300 AH Dordrecht, Neth., and 101 Philip Dr., Norwell, MA 02061.) Papers
are grouped under these headings: The Importance of Carbon Sinks; Effects of CO2
on Natural Systems; Managing Natural Sinks of CO2; Modeling Carbon Fluxes;
Summary. A six-page workshop statement is also available (GLOBAL CLIMATE
CHANGE DIGEST, Reports/SOurces and Sinks, July 1992); contact the author of
the following preface.
"Preface," J. Wisniewski (Wisniewski Assoc., 6862 McLean Province
Cir., Falls Church VA 22043), A.E. Lugo, ix-x. A key workshop result was the
unanimous decision of the participants to discard the steady-state assumption
and explore the implications of such a departure for understanding the global
carbon budget. Potential carbon sinks that had so far not been considered in
models were identified and include the coastal zone, biomass-accreting mature
forests, soils and arid lands. The workshop also found that substantial
potential exists for capturing and sequestering carbon in natural systems, and
that it is economically feasible to manage existing and additional terrestrial
and aquatic ecosystems to increase carbon sequestration. This prospect should
begin to change the mind-set under which scientists and policy makers and
society deal with the issue of further greenhouse gas increases.
"The Search for Carbon Sinks in the Tropics," A.E. Lugo (USDA For.
Serv., Call Box 25000, Rio Piedras PR 00928), 3-10.
"Why Understanding the Natural Sinks and Sources of CO2 Is Important: A
Policy Analysis Perspective," J. Edmonds (Battelle Pacific Northwest Lab.,
901 D St. SW, S. 900, Washington DC 20024), 11-24.
"The Impact of Rising CO2 on Ecosystem Production," B.G. Drake
(Smithsonian Environ. Res. Ctr., POB 28, Edgewater MD 21037), 25-44.
"Field Measurements of CO2 Enhancement and Climate Change in Natural
Vegetation," B.R. Strain (Dept. Bot., Duke Univ., Durham NC 27706), R.B.
"Potential Effects of the Increase in Carbon Dioxide and Climate Change
on the Dynamics of Vegetation," D. Mueller-Dombois (Dept. Bot., Univ.
Hawaii Manoa, 3190 Maile Way, Honolulu HI 96822), 61-82.
"Effects of Forest Management on Soil Carbon Storage," D.W.
Johnson (Desert Res. Inst., POB 60220, Reno NV 89506), 83-120.
"On Estimating Agriculture's Net Contribution to Atmospheric Carbon,"
R.B. Jackson IV (ERL, US EPA, 960 College Sta. Rd., Athens GA 30613), 121-138.
"Processes and Lands for Sequestering Carbon in the Tropical Forest
Landscape," S. Brown (Dept. For., 110 Mumford, Univ. Illinois, 1301 W.
Gregory Dr., Urbana IL 61801), A.E. Lugo, L.R. Iverson, 139-156.
"Forestry Opportunities in the United States to Mitigate the Effects of
Global Warming," R.N. Sampson (Amer. Forestry Assoc., POB 2000, Washington
DC 20013), 157-180.
"Should We Store Carbon in Trees?" G. Marland (Environ. Res., Oak
Ridge Nat. Lab., Oak Ridge TN 37831), S. Marland, 181-196.
"The Potential Role of Temperate Forests as Sinks for CO2--Examples
from the German Environmental Policy against Global Warming," H.D. Gregor
(Fed. Environ. Agency (Umweltbundesamt), Bismarckpl. 1, 1000 Berlin 33, Ger.),
"Estimating the Global Potential of Forest and Agroforest Management
Practices to Sequester Carbon," J.K. Winjum (NCASI, Environ. Res. Lab., 200
SW 35th St., Corvallis OR 97333), R.K. Dixon, P.E. Schroeder, 213-228.
"Forest Fertilization: Its Potential to Increase the CO2 Storage
Capacity and to Alleviate the Decline of the Global Forests," R.F. Huettl
(For. Dept., Kali & Salz AG, POB 102029, D-3500 Kassel, Ger.), H.W. Zoettl,
"The Use of Halophytes to Sequester Carbon," E.P. Glenn (Environ.
Res. Lab., 2601 E. Airport Dr., Tucson AZ 85706), L.F. Pitelka, M.W. Olsen,
"Carbon Sinks in Mangroves and Their Implications to Carbon Budget of
Tropical Coastal Ecosystems," R.R. Twilley (Dept. Biol., Univ. Southwestern
Louisiana, POB 42451, Lafayette LA 70504), R.H. Chen, T. Hargis, 265-288.
"Marine Algae as a CO2 Sink," R.L. Ritschard (Atmos. &
Biospheric Effects, Lawrence Berkeley Labs., Univ. California, Berkeley CA
"The Response of Terrestrial C Storage to Climate Change: Modeling C
Dynamics at Varying Temporal and Spatial Scales," T.M. Smith, J.F.
Weishampel (Dept. Environ. Sci., Univ. Virginia, Charlottesville VA 22903) et
"Changes in C Storage by Terrestrial Ecosystems: How C-N Interactions
Restrict Responses to CO2 and Temperature," E.B. Rastetter (Ecosyst. Ctr.,
Marine Biol. Lab., Woods Hole MA 02543), R.B. McKane et al., 327-344.
"Aspects of the Interaction between Vegetation and Soil under Global
Change," W.M. Post (Environ. Sci., Oak Ridge Nat. Lab., Oak Ridge TN
37831), J. Pastor et al., 345-364.
"The Transient Response of Vegetation to Climate Change: A Potential
Source of CO2 to the Atmosphere," G.A. King (ManTech Inc., ERL U.S. EPA,
Corvallis OR 97333), R.P. Neilson, 365-384.
" A Geographically-Based Ecosystem Model and its Application to the
Carbon Balance of the Luquillo Forest, Puerto Rico," C.A.S. Hall (SUNY
Coll. Forest Sci., Syracuse NY 13210), 385-404.
"Potential Marine Macroalgae as a Sink for CO2: Constraints from a 3-D
General Circulation Model of the Global Ocean," J.C. Orr (Atmos. Ocean
Sci., Princeton Univ., Princeton NJ 08544), J.L. Sarmiento, 405-422.
"An Approach to Assessment of Management Impacts on Agricultural Soil
Carbon," T.O. Barnwell, R.B. Jackson (addr. above) et al., 423-438.
"Natural Sinks of CO2: Technical Synthesis from the Palmas Del Mar
Workshop," J.P. Downing (Marine Sci. Lab., Battelle Lab., 439 W. Sequim
Rd., Sequim WA 98382), D.A. Cataldo, 439-454.
"Natural Sinks of CO2: Conclusions, Key Findings and Research
Recommendations from the Palmas Del Mar Workshop," A.E. Lugo (addr. above),
J. Wisniewski, 455-460.
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