&
INELUENCE
or M—AN ON FAUNA' OF THE OCEAN,
_
'nets and Other instruments used by man for capture.
But just
in large areas of fresh water—the stock of shes may
be reduced to small dimensidns by over-shing, so restoration
_
by ”articial measures can be effectively carried out.
In both
respects, therefore, fresh waters offer a contrast to the sea.
When
to the Ocean the problems connected with
man’s inuence on certain of its denizens assume a much greater
_' degree of complexity.
In the rst place, though the almost
=
bc)undless space
of the air .far surpasses the sea, the latter
greatly exceeds the land, sinèe‘it occupies about three-fourths
of the earth’s surface.
Yet this gives but an imperfect com- ;
parison, for, whereas it is chiey on the surface of the earth
,
that terrestrial animals are found, it is alt0gether different with
the ocean, the inhabitants of which not only people the bottom,
but glide over the latter, frequent inid-water and the surface,
indeed, may be said to be scattered everywhere throughout its —
mass
as
well'as
its niargins.
Moreover, while we can
;
purSue the mammal on land, entrap the sh in the stream or ;
'.
lake, or follow the “ight of the bird to a certain extent in the
air, it is otherwise with the sea.
Its ever—changing and often %
opaque andtempestuous waters offer a barrier to the pursuit
:
of its larger forms, even were it possible totrack them to its_ :
'
distant abysses,while the more minute for the most part escape Î
_
observation.
Thus with all the skill and perseverance of ages
_
much yet remains to be accomplished in regard to our know_
ledge of the sea and its inhabitants, both plant and animal,
One feature, however, sufciehtly distinguishes the sea from the
_
air, ViZ. its being ahhost;everywhere permeated by life—both _‘
plant and animal, and thus it affords a ,never-failing supply of
_
food to as inhabitants,‘ eachof Which nds in the surrounding ;
'
water the nourishment best suited for it. ’
;
‘
_
'
'
The rescurCes of
océan,Îhowever, are limited in the case
"
of the large
forms
byman, such as the
Ï
right
decreased‘in
—
…
durmgthepresentœnturyThe1eokiess «slaughter .
"
7
………
w…1w wwl\l‘lllllll‘!‘l…l“
INELUENCE
or M—AN ON FAUNA' OF THE OCEAN,
_
'nets and Other instruments used by man for capture.
But just
in large areas of fresh water—the stock of shes may
be reduced to small dimensidns by over-shing, so restoration
_
by ”articial measures can be effectively carried out.
In both
respects, therefore, fresh waters offer a contrast to the sea.
When
to the Ocean the problems connected with
man’s inuence on certain of its denizens assume a much greater
_' degree of complexity.
In the rst place, though the almost
=
bc)undless space
of the air .far surpasses the sea, the latter
greatly exceeds the land, sinèe‘it occupies about three-fourths
of the earth’s surface.
Yet this gives but an imperfect com- ;
parison, for, whereas it is chiey on the surface of the earth
,
that terrestrial animals are found, it is alt0gether different with
the ocean, the inhabitants of which not only people the bottom,
but glide over the latter, frequent inid-water and the surface,
indeed, may be said to be scattered everywhere throughout its —
mass
as
well'as
its niargins.
Moreover, while we can
;
purSue the mammal on land, entrap the sh in the stream or ;
'.
lake, or follow the “ight of the bird to a certain extent in the
air, it is otherwise with the sea.
Its ever—changing and often %
opaque andtempestuous waters offer a barrier to the pursuit
:
of its larger forms, even were it possible totrack them to its_ :
'
distant abysses,while the more minute for the most part escape Î
_
observation.
Thus with all the skill and perseverance of ages
_
much yet remains to be accomplished in regard to our know_
ledge of the sea and its inhabitants, both plant and animal,
One feature, however, sufciehtly distinguishes the sea from the
_
air, ViZ. its being ahhost;everywhere permeated by life—both _‘
plant and animal, and thus it affords a ,never-failing supply of
_
food to as inhabitants,‘ eachof Which nds in the surrounding ;
'
water the nourishment best suited for it. ’
;
‘
_
'
'
The rescurCes of
océan,Îhowever, are limited in the case
"
of the large
forms
byman, such as the
Ï
right
decreased‘in
—
…
durmgthepresentœnturyThe1eokiess «slaughter .
"
7
………
w…1w wwl\l‘lllllll‘!‘l…l“