D. S. Lacate

Bio: D. S. Lacate is an academic researcher. The author has contributed to research in topics: Recreation & Land-use planning. The author has an hindex of 1, co-authored 1 publications receiving 3 citations.

Wildland inventory and mapping

Abstract: Present interest in land use planning is drawing attention to the necessity for land classification and mapping systems that will serve as a basis for rational land use decisions. Various programs and approaches to the inventory of wildlands throughout Canada are reviewed. An approach for dividing landscapes into ecologically significant units for forestry, wildlife, recreation and agricultural purposes is outlined.

Strategic Thinking for the Antarctic Environment: The Use of Assessment Tools in Governance

Abstract: The Antarctic Treaty System has established the strategic vision of Antarctica as a natural reserve, set aside for peace and science in the interest of all of humankind. However, the strategic focus that is implied by the notion of a stable, long-term institutional arrangement is not reflected in the system’s current operating rules and regulatory decisions. A combination of the growing human footprint, avoidance to deal with contentious issues, weaknesses in the implementation of the Environmental Impact Assessment process and lack of strategic thinking in the environmental management of the Antarctic region as a whole contribute to the accumulation of environmental impacts, the degradation of the once-pristine Antarctic environment and the attrition of Antarctica’s unique values. Experiences in the use of strategic thinking and strategic environmental assessment tools in and outside of Antarctica represent exemplars that can be adopted by stakeholders in an Antarctic setting and can be scaled up to the Antarctic region as a whole. A more strategic approach to environmental governance in Antarctica should consist of different components, including strategic thinking (resulting in visions, goals and action plans), planning, decision making (engaging decision makers to commit the necessary resources to implement decisions), implementation and monitoring (observing and reflecting on the effectiveness of actions). In view of growing global interests in Antarctic activities and resources and the loss of Antarctic exceptionalism, a more collective and structural approach to strategic governance is necessary to guarantee the future sustainability of the Antarctic region.

Site classification for northern forest species

Abstract: Summarizes the extensive literature for northern forest species covering site index curves, site index species comparisons, growth intercepts, soil-site studies, plant indicators, physiographic site classifications, and soil survey studies. The advantages and disadvantages of each are discussed, and suggestions are made for future research using each of these methods. Suggests a complementary framework that coordinates site quality, yield, and forest land classification. Discusses how this complementary framework can help in practicing more intensive timber management.

Proposed system for 35 mm. large scale aerial photography in natural resource management

Abstract: This describes an aerial photographic system which is based on 35 mm. cameras. The design for the camera mount is explained in det a i l . The or i g i n a l i t y of this equipment IS due to the fact that the camera i s operated by hand and that the special device for advancing the film enables the operator to take photos from an altitude as low as 400 feet above ground elevation whilst s t i l l obtaining 60 per cent forward overlap. More than 10 flying hours were spent in order to study the f e a s i b i l i t y of this method in the various fields of natural resource management and others. The outcome of these test fli g h t s i s illustrated with stereo pairs and single prints for the fields of w i l d l i f e management, f i s h management, range management, agriculture, forestry, c i t y planning, erosion and pollution problems. The basic film type used was Kodak Tri-X panchromatic black and white. The problems which arose during the f l i g h t are illus t r a t e d and discussed, e.g. shutter, scale, speed of the a i r c r a f t , requirements for the plane and p i l o t , f i l t e r s and films, weather conditions etc. The f e a s i b i l i t y of this new method was substantiated in presenting a series of sharp photos. The high resolution power of modern 35 mm. film material allows the trained interpreter to use the large scale photographs taken by this system for: 1. Estimates of big game populations and spotting game with the aid of tracks on snow, 2. Detecting beaver ac t i v i t y , 3. Population estimates of muskrats by a house count, 4. Waterfowl census by pin pointing the individuals on the prints, 5. Detection of spawning grounds for salmon, and the estimation of algal production. 6. Detecting water and land pollution. 7. Determining erosion problems. 8. Habitat and range evaluation of game and livestock. 9 0 Inventory work in range management, agriculture, and forestry, 10. City planning and landscape architecture. TABLE OF CONTENTS i v page INTRODUCTION 1 Purpose • 1 Scope 2 EQUIPMENT 4 Air c r a f t 4 Special device for the Camera 4 Longitudinal Position of the Camera . 6 Mount of the Suspension into the Ai r c r a f t 6 Levelling of the Camera and Reloading 6 TECHNICAL CONSIDERATIONS TO CAMERA 9 PHOTOGRAPHY TEST 10 Films and Fi l t e r s 10 Exposure 12 Flying Height and Scale 12 Speed of Ai r c r a f t and Time Interval Between Exposures 13 * Image Blur 13 APPLICATION 16 Wildlife Management 16 Habitat Evaluation 16 Census Method for Big Game 21 Beaver Ac t i v i t y 25 Muskrats 32 Census Taking of Waterfowl 36 Fish Management 39 Pollution Problems • 42 Erosion 46 Range Management 50 Agriculture • 56 City Planning (Residential Areas) 67 Forestry 70 LARGE SCALE PHOTOGRAPHY, C r i t i c a l Analysis 90 CONCLUSIONS AND RECOMMENDATIONS 93 BIBLIOGRAPHY 9 7 TABLE OF ILLUSTRATIONS